S29.029A Laceration of muscle and tendon of unspecified wall of thorax, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S29.029 with 7th character A (initial encounter).

Applies from S29 Other and unspecified injuries of thorax

Code also

• any associated open wound (S21.-)

7th character note

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

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Diagnosis Index entries for S29.029A

• Injury › muscle (and fascia) (and tendon) › thorax (level) › laceration

Nearby codes

• S29.022 Laceration of muscle and tendon of back wall of thorax
• S29.022A Laceration of muscle and tendon of back wall of thorax, initial encounter
• S29.022D Laceration of muscle and tendon of back wall of thorax, subsequent encounter
• S29.022S Laceration of muscle and tendon of back wall of thorax, sequela
• S29.029 Laceration of muscle and tendon of unspecified wall of thorax
• S29.029A Laceration of muscle and tendon of unspecified wall of thorax, initial encounter (this code)
• S29.029D Laceration of muscle and tendon of unspecified wall of thorax, subsequent encounter
• S29.029S Laceration of muscle and tendon of unspecified wall of thorax, sequela
• S29.09 Other injury of muscle and tendon of thorax
• S29.091 Other injury of muscle and tendon of front wall of thorax
• S29.091A Other injury of muscle and tendon of front wall of thorax, initial encounter