Skip to main content
ICD-10/S63.12

S63.12 ICD-10-CM Code: Subluxation and dislocation of interphalangeal joint of thumb

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

Subluxation and dislocation of interphalangeal joint of thumb is a non-billable ICD-10-CM category code (S63.12). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for S63.12 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • avulsion of joint or ligament at wrist and hand level
  • laceration of cartilage, joint or ligament at wrist and hand level
  • sprain of cartilage, joint or ligament at wrist and hand level
  • traumatic hemarthrosis of joint or ligament at wrist and hand level
  • traumatic rupture of joint or ligament at wrist and hand level
  • traumatic subluxation of joint or ligament at wrist and hand level
  • traumatic tear of joint or ligament at wrist and hand level

Excludes2 — Not Included Here

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

  • strain of muscle, fascia and tendon of wrist and hand (S66.-)
  • 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

Frequently Asked Questions (FAQ) & Clinical Guidance

Can S63.12 be billed directly?

No. S63.12 (Subluxation and dislocation of interphalangeal joint of thumb) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does S63.12 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category S63.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to S63.12 in its code family, with their registry titles.

  • S63.115S — Dislocation of metacarpophalangeal joint of left thumb, sequela
  • S63.116 — Dislocation of metacarpophalangeal joint of unspecified thumb
  • S63.116A — Dislocation of metacarpophalangeal joint of unspecified thumb, initial encounter
  • S63.116D — Dislocation of metacarpophalangeal joint of unspecified thumb, subsequent encounter
  • S63.116S — Dislocation of metacarpophalangeal joint of unspecified thumb, sequela
  • S63.121 — Subluxation of interphalangeal joint of right thumb
  • S63.121A — Subluxation of interphalangeal joint of right thumb, initial encounter
  • S63.121D — Subluxation of interphalangeal joint of right thumb, subsequent encounter
  • S63.121S — Subluxation of interphalangeal joint of right thumb, sequela
  • S63.122 — Subluxation of interphalangeal joint of left thumb

View all codes in the S63 family