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ICD-10/S29.01

S29.01 ICD-10-CM Code: Strain of muscle and tendon of thorax

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

Strain of muscle and tendon of thorax is a non-billable ICD-10-CM category code (S29.01). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for S29.01 in the official ICD-10-CM tabular list.

Includes

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

  • injuries of breast
  • injuries of chest (wall)
  • injuries of interscapular area

Excludes2 — Not Included Here

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

  • burns and corrosions (T20-T32)
  • effects of foreign body in bronchus (T17.5)
  • effects of foreign body in esophagus (T18.1)
  • effects of foreign body in lung (T17.8)
  • effects of foreign body in trachea (T17.4)
  • frostbite (T33-T34)
  • injuries of axilla
  • injuries of clavicle
  • injuries of scapular region
  • injuries of shoulder
  • insect bite or sting, venomous (T63.4)

Code Also

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

  • any associated open wound (S21.-)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can S29.01 be billed directly?

No. S29.01 (Strain of muscle and tendon of thorax) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does S29.01 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category S29.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to S29.01 in its code family, with their registry titles.

  • S29.002S — Unspecified injury of muscle and tendon of back wall of thorax, sequela
  • S29.009 — Unspecified injury of muscle and tendon of unspecified wall of thorax
  • S29.009A — Unspecified injury of muscle and tendon of unspecified wall of thorax, initial encounter
  • S29.009D — Unspecified injury of muscle and tendon of unspecified wall of thorax, subsequent encounter
  • S29.009S — Unspecified injury of muscle and tendon of unspecified wall of thorax, sequela
  • S29.011 — Strain of muscle and tendon of front wall of thorax
  • S29.011A — Strain of muscle and tendon of front wall of thorax, initial encounter
  • S29.011D — Strain of muscle and tendon of front wall of thorax, subsequent encounter
  • S29.011S — Strain of muscle and tendon of front wall of thorax, sequela
  • S29.012 — Strain of muscle and tendon of back wall of thorax

View all codes in the S29 family