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ICD-10/S66

S66 ICD-10-CM Code: Injury of muscle, fascia and tendon at wrist and hand level

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Injury of muscle, fascia and tendon at wrist and hand level is a non-billable ICD-10-CM category code (S66). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for S66 in the official ICD-10-CM tabular list.

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • sprain of joints and ligaments of wrist and hand (S63.-)
  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)

Code Also

Additional codes that may be required to fully describe the encounter.

  • any associated open wound (S61.-)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can S66 be billed directly?

No. S66 (Injury of muscle, fascia and tendon at wrist and hand level) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does S66 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category S66; A: initial encounter; D: subsequent encounter; S: sequela.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to S66 in its code family, with their registry titles.

  • S66.0 — Injury of long flexor muscle, fascia and tendon of thumb at wrist and hand level
  • S66.00 — Unspecified injury of long flexor muscle, fascia and tendon of thumb at wrist and hand level
  • S66.001 — Unspecified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level
  • S66.001A — Unspecified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
  • S66.001D — Unspecified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
  • S66.001S — Unspecified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
  • S66.002 — Unspecified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level
  • S66.002A — Unspecified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
  • S66.002D — Unspecified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
  • S66.002S — Unspecified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
  • S66.009 — Unspecified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level
  • S66.009A — Unspecified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
  • S66.009D — Unspecified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
  • S66.009S — Unspecified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
  • S66.01 — Strain of long flexor muscle, fascia and tendon of thumb at wrist and hand level
  • S66.011 — Strain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level
  • S66.011A — Strain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
  • S66.011D — Strain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
  • S66.011S — Strain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
  • S66.012 — Strain of long flexor muscle, fascia and tendon of left thumb at wrist and hand level
  • S66.012A — Strain of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
  • S66.012D — Strain of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
  • S66.012S — Strain of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
  • S66.019 — Strain of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level
  • S66.019A — Strain of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
  • S66.019D — Strain of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
  • S66.019S — Strain of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
  • S66.02 — Laceration of long flexor muscle, fascia and tendon of thumb at wrist and hand level
  • S66.021 — Laceration of long flexor muscle, fascia and tendon of right thumb at wrist and hand level
  • S66.021A — Laceration of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
  • S66.021D — Laceration of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
  • S66.021S — Laceration of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
  • S66.022 — Laceration of long flexor muscle, fascia and tendon of left thumb at wrist and hand level
  • S66.022A — Laceration of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
  • S66.022D — Laceration of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
  • S66.022S — Laceration of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
  • S66.029 — Laceration of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level
  • S66.029A — Laceration of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
  • S66.029D — Laceration of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
  • S66.029S — Laceration of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
  • S66.09 — Other specified injury of long flexor muscle, fascia and tendon of thumb at wrist and hand level
  • S66.091 — Other specified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level
  • S66.091A — Other specified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
  • S66.091D — Other specified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
  • S66.091S — Other specified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
  • S66.092 — Other specified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level
  • S66.092A — Other specified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
  • S66.092D — Other specified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
  • S66.092S — Other specified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
  • S66.099 — Other specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level
  • S66.099A — Other specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
  • S66.099D — Other specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
  • S66.099S — Other specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
  • S66.1 — Injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
  • S66.10 — Unspecified injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
  • S66.100 — Unspecified injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level
  • S66.100A — Unspecified injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
  • S66.100D — Unspecified injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
  • S66.100S — Unspecified injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
  • S66.101 — Unspecified injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level
  • S66.101A — Unspecified injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
  • S66.101D — Unspecified injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
  • S66.101S — Unspecified injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
  • S66.102 — Unspecified injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level
  • S66.102A — Unspecified injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
  • S66.102D — Unspecified injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
  • S66.102S — Unspecified injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
  • S66.103 — Unspecified injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level
  • S66.103A — Unspecified injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
  • S66.103D — Unspecified injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
  • S66.103S — Unspecified injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
  • S66.104 — Unspecified injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level
  • S66.104A — Unspecified injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
  • S66.104D — Unspecified injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
  • S66.104S — Unspecified injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
  • S66.105 — Unspecified injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level
  • S66.105A — Unspecified injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
  • S66.105D — Unspecified injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
  • S66.105S — Unspecified injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
  • S66.106 — Unspecified injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level
  • S66.106A — Unspecified injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
  • S66.106D — Unspecified injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
  • S66.106S — Unspecified injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
  • S66.107 — Unspecified injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level
  • S66.107A — Unspecified injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
  • S66.107D — Unspecified injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
  • S66.107S — Unspecified injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
  • S66.108 — Unspecified injury of flexor muscle, fascia and tendon of other finger at wrist and hand level
  • S66.108A — Unspecified injury of flexor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
  • S66.108D — Unspecified injury of flexor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
  • S66.108S — Unspecified injury of flexor muscle, fascia and tendon of other finger at wrist and hand level, sequela
  • S66.109 — Unspecified injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level
  • S66.109A — Unspecified injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
  • S66.109D — Unspecified injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
  • S66.109S — Unspecified injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
  • S66.11 — Strain of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
  • S66.110 — Strain of flexor muscle, fascia and tendon of right index finger at wrist and hand level
  • S66.110A — Strain of flexor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
  • S66.110D — Strain of flexor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
  • S66.110S — Strain of flexor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
  • S66.111 — Strain of flexor muscle, fascia and tendon of left index finger at wrist and hand level
  • S66.111A — Strain of flexor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
  • S66.111D — Strain of flexor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
  • S66.111S — Strain of flexor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
  • S66.112 — Strain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level
  • S66.112A — Strain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
  • S66.112D — Strain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
  • S66.112S — Strain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
  • S66.113 — Strain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level
  • S66.113A — Strain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
  • S66.113D — Strain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
  • S66.113S — Strain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
  • S66.114 — Strain of flexor muscle, fascia and tendon of right ring finger at wrist and hand level
  • S66.114A — Strain of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
  • S66.114D — Strain of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
  • S66.114S — Strain of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
  • S66.115 — Strain of flexor muscle, fascia and tendon of left ring finger at wrist and hand level
  • S66.115A — Strain of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
  • S66.115D — Strain of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
  • S66.115S — Strain of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
  • S66.116 — Strain of flexor muscle, fascia and tendon of right little finger at wrist and hand level
  • S66.116A — Strain of flexor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
  • S66.116D — Strain of flexor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
  • S66.116S — Strain of flexor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
  • S66.117 — Strain of flexor muscle, fascia and tendon of left little finger at wrist and hand level
  • S66.117A — Strain of flexor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
  • S66.117D — Strain of flexor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
  • S66.117S — Strain of flexor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
  • S66.118 — Strain of flexor muscle, fascia and tendon of other finger at wrist and hand level
  • S66.118A — Strain of flexor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
  • S66.118D — Strain of flexor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
  • S66.118S — Strain of flexor muscle, fascia and tendon of other finger at wrist and hand level, sequela
  • S66.119 — Strain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level
  • S66.119A — Strain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
  • S66.119D — Strain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
  • S66.119S — Strain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
  • S66.12 — Laceration of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
  • S66.120 — Laceration of flexor muscle, fascia and tendon of right index finger at wrist and hand level
  • S66.120A — Laceration of flexor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
  • S66.120D — Laceration of flexor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
  • S66.120S — Laceration of flexor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
  • S66.121 — Laceration of flexor muscle, fascia and tendon of left index finger at wrist and hand level
  • S66.121A — Laceration of flexor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
  • S66.121D — Laceration of flexor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
  • S66.121S — Laceration of flexor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
  • S66.122 — Laceration of flexor muscle, fascia and tendon of right middle finger at wrist and hand level
  • S66.122A — Laceration of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
  • S66.122D — Laceration of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
  • S66.122S — Laceration of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
  • S66.123 — Laceration of flexor muscle, fascia and tendon of left middle finger at wrist and hand level
  • S66.123A — Laceration of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
  • S66.123D — Laceration of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
  • S66.123S — Laceration of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
  • S66.124 — Laceration of flexor muscle, fascia and tendon of right ring finger at wrist and hand level
  • S66.124A — Laceration of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
  • S66.124D — Laceration of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
  • S66.124S — Laceration of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
  • S66.125 — Laceration of flexor muscle, fascia and tendon of left ring finger at wrist and hand level
  • S66.125A — Laceration of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
  • S66.125D — Laceration of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
  • S66.125S — Laceration of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
  • S66.126 — Laceration of flexor muscle, fascia and tendon of right little finger at wrist and hand level
  • S66.126A — Laceration of flexor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
  • S66.126D — Laceration of flexor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
  • S66.126S — Laceration of flexor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
  • S66.127 — Laceration of flexor muscle, fascia and tendon of left little finger at wrist and hand level
  • S66.127A — Laceration of flexor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
  • S66.127D — Laceration of flexor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
  • S66.127S — Laceration of flexor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
  • S66.128 — Laceration of flexor muscle, fascia and tendon of other finger at wrist and hand level
  • S66.128A — Laceration of flexor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
  • S66.128D — Laceration of flexor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
  • S66.128S — Laceration of flexor muscle, fascia and tendon of other finger at wrist and hand level, sequela
  • S66.129 — Laceration of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level
  • S66.129A — Laceration of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
  • S66.129D — Laceration of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
  • S66.129S — Laceration of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
  • S66.19 — Other injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
  • S66.190 — Other injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level
  • S66.190A — Other injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
  • S66.190D — Other injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
  • S66.190S — Other injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
  • S66.191 — Other injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level
  • S66.191A — Other injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
  • S66.191D — Other injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
  • S66.191S — Other injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
  • S66.192 — Other injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level
  • S66.192A — Other injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
  • S66.192D — Other injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
  • S66.192S — Other injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
  • S66.193 — Other injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level
  • S66.193A — Other injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
  • S66.193D — Other injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
  • S66.193S — Other injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
  • S66.194 — Other injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level
  • S66.194A — Other injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
  • S66.194D — Other injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
  • S66.194S — Other injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
  • S66.195 — Other injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level
  • S66.195A — Other injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
  • S66.195D — Other injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
  • S66.195S — Other injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
  • S66.196 — Other injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level
  • S66.196A — Other injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
  • S66.196D — Other injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
  • S66.196S — Other injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
  • S66.197 — Other injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level
  • S66.197A — Other injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
  • S66.197D — Other injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
  • S66.197S — Other injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
  • S66.198 — Other injury of flexor muscle, fascia and tendon of other finger at wrist and hand level
  • S66.198A — Other injury of flexor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
  • S66.198D — Other injury of flexor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
  • S66.198S — Other injury of flexor muscle, fascia and tendon of other finger at wrist and hand level, sequela
  • S66.199 — Other injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level
  • S66.199A — Other injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
  • S66.199D — Other injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
  • S66.199S — Other injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
  • S66.2 — Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level
  • S66.20 — Unspecified injury of extensor muscle, fascia and tendon of thumb at wrist and hand level
  • S66.201 — Unspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level
  • S66.201A — Unspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
  • S66.201D — Unspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
  • S66.201S — Unspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
  • S66.202 — Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level
  • S66.202A — Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
  • S66.202D — Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
  • S66.202S — Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
  • S66.209 — Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level
  • S66.209A — Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
  • S66.209D — Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
  • S66.209S — Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
  • S66.21 — Strain of extensor muscle, fascia and tendon of thumb at wrist and hand level
  • S66.211 — Strain of extensor muscle, fascia and tendon of right thumb at wrist and hand level
  • S66.211A — Strain of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
  • S66.211D — Strain of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
  • S66.211S — Strain of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
  • S66.212 — Strain of extensor muscle, fascia and tendon of left thumb at wrist and hand level
  • S66.212A — Strain of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
  • S66.212D — Strain of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
  • S66.212S — Strain of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
  • S66.219 — Strain of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level
  • S66.219A — Strain of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
  • S66.219D — Strain of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
  • S66.219S — Strain of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
  • S66.22 — Laceration of extensor muscle, fascia and tendon of thumb at wrist and hand level
  • S66.221 — Laceration of extensor muscle, fascia and tendon of right thumb at wrist and hand level
  • S66.221A — Laceration of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
  • S66.221D — Laceration of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
  • S66.221S — Laceration of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
  • S66.222 — Laceration of extensor muscle, fascia and tendon of left thumb at wrist and hand level
  • S66.222A — Laceration of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
  • S66.222D — Laceration of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
  • S66.222S — Laceration of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
  • S66.229 — Laceration of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level
  • S66.229A — Laceration of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
  • S66.229D — Laceration of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
  • S66.229S — Laceration of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
  • S66.29 — Other specified injury of extensor muscle, fascia and tendon of thumb at wrist and hand level
  • S66.291 — Other specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level
  • S66.291A — Other specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
  • S66.291D — Other specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
  • S66.291S — Other specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
  • S66.292 — Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level
  • S66.292A — Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
  • S66.292D — Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
  • S66.292S — Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
  • S66.299 — Other specified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level
  • S66.299A — Other specified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
  • S66.299D — Other specified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
  • S66.299S — Other specified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
  • S66.3 — Injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
  • S66.30 — Unspecified injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
  • S66.300 — Unspecified injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level
  • S66.300A — Unspecified injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
  • S66.300D — Unspecified injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
  • S66.300S — Unspecified injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
  • S66.301 — Unspecified injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level
  • S66.301A — Unspecified injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
  • S66.301D — Unspecified injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
  • S66.301S — Unspecified injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
  • S66.302 — Unspecified injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level
  • S66.302A — Unspecified injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
  • S66.302D — Unspecified injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
  • S66.302S — Unspecified injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
  • S66.303 — Unspecified injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level
  • S66.303A — Unspecified injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
  • S66.303D — Unspecified injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
  • S66.303S — Unspecified injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
  • S66.304 — Unspecified injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level
  • S66.304A — Unspecified injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
  • S66.304D — Unspecified injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
  • S66.304S — Unspecified injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
  • S66.305 — Unspecified injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level
  • S66.305A — Unspecified injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
  • S66.305D — Unspecified injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
  • S66.305S — Unspecified injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
  • S66.306 — Unspecified injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level
  • S66.306A — Unspecified injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
  • S66.306D — Unspecified injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
  • S66.306S — Unspecified injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
  • S66.307 — Unspecified injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level
  • S66.307A — Unspecified injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
  • S66.307D — Unspecified injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
  • S66.307S — Unspecified injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
  • S66.308 — Unspecified injury of extensor muscle, fascia and tendon of other finger at wrist and hand level
  • S66.308A — Unspecified injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
  • S66.308D — Unspecified injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
  • S66.308S — Unspecified injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, sequela
  • S66.309 — Unspecified injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level
  • S66.309A — Unspecified injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
  • S66.309D — Unspecified injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
  • S66.309S — Unspecified injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
  • S66.31 — Strain of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
  • S66.310 — Strain of extensor muscle, fascia and tendon of right index finger at wrist and hand level
  • S66.310A — Strain of extensor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
  • S66.310D — Strain of extensor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
  • S66.310S — Strain of extensor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
  • S66.311 — Strain of extensor muscle, fascia and tendon of left index finger at wrist and hand level
  • S66.311A — Strain of extensor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
  • S66.311D — Strain of extensor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
  • S66.311S — Strain of extensor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
  • S66.312 — Strain of extensor muscle, fascia and tendon of right middle finger at wrist and hand level
  • S66.312A — Strain of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
  • S66.312D — Strain of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
  • S66.312S — Strain of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
  • S66.313 — Strain of extensor muscle, fascia and tendon of left middle finger at wrist and hand level
  • S66.313A — Strain of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
  • S66.313D — Strain of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
  • S66.313S — Strain of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
  • S66.314 — Strain of extensor muscle, fascia and tendon of right ring finger at wrist and hand level
  • S66.314A — Strain of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
  • S66.314D — Strain of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
  • S66.314S — Strain of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
  • S66.315 — Strain of extensor muscle, fascia and tendon of left ring finger at wrist and hand level
  • S66.315A — Strain of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
  • S66.315D — Strain of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
  • S66.315S — Strain of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
  • S66.316 — Strain of extensor muscle, fascia and tendon of right little finger at wrist and hand level
  • S66.316A — Strain of extensor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
  • S66.316D — Strain of extensor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
  • S66.316S — Strain of extensor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
  • S66.317 — Strain of extensor muscle, fascia and tendon of left little finger at wrist and hand level
  • S66.317A — Strain of extensor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
  • S66.317D — Strain of extensor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
  • S66.317S — Strain of extensor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
  • S66.318 — Strain of extensor muscle, fascia and tendon of other finger at wrist and hand level
  • S66.318A — Strain of extensor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
  • S66.318D — Strain of extensor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
  • S66.318S — Strain of extensor muscle, fascia and tendon of other finger at wrist and hand level, sequela
  • S66.319 — Strain of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level
  • S66.319A — Strain of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
  • S66.319D — Strain of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
  • S66.319S — Strain of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
  • S66.32 — Laceration of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
  • S66.320 — Laceration of extensor muscle, fascia and tendon of right index finger at wrist and hand level
  • S66.320A — Laceration of extensor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
  • S66.320D — Laceration of extensor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
  • S66.320S — Laceration of extensor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
  • S66.321 — Laceration of extensor muscle, fascia and tendon of left index finger at wrist and hand level
  • S66.321A — Laceration of extensor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
  • S66.321D — Laceration of extensor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
  • S66.321S — Laceration of extensor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
  • S66.322 — Laceration of extensor muscle, fascia and tendon of right middle finger at wrist and hand level
  • S66.322A — Laceration of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
  • S66.322D — Laceration of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
  • S66.322S — Laceration of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
  • S66.323 — Laceration of extensor muscle, fascia and tendon of left middle finger at wrist and hand level
  • S66.323A — Laceration of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
  • S66.323D — Laceration of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
  • S66.323S — Laceration of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
  • S66.324 — Laceration of extensor muscle, fascia and tendon of right ring finger at wrist and hand level
  • S66.324A — Laceration of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
  • S66.324D — Laceration of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
  • S66.324S — Laceration of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
  • S66.325 — Laceration of extensor muscle, fascia and tendon of left ring finger at wrist and hand level
  • S66.325A — Laceration of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
  • S66.325D — Laceration of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
  • S66.325S — Laceration of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
  • S66.326 — Laceration of extensor muscle, fascia and tendon of right little finger at wrist and hand level
  • S66.326A — Laceration of extensor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
  • S66.326D — Laceration of extensor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
  • S66.326S — Laceration of extensor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
  • S66.327 — Laceration of extensor muscle, fascia and tendon of left little finger at wrist and hand level
  • S66.327A — Laceration of extensor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
  • S66.327D — Laceration of extensor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
  • S66.327S — Laceration of extensor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
  • S66.328 — Laceration of extensor muscle, fascia and tendon of other finger at wrist and hand level
  • S66.328A — Laceration of extensor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
  • S66.328D — Laceration of extensor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
  • S66.328S — Laceration of extensor muscle, fascia and tendon of other finger at wrist and hand level, sequela
  • S66.329 — Laceration of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level
  • S66.329A — Laceration of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
  • S66.329D — Laceration of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
  • S66.329S — Laceration of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
  • S66.39 — Other injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
  • S66.390 — Other injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level
  • S66.390A — Other injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
  • S66.390D — Other injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
  • S66.390S — Other injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, sequela