S29.012A Strain of muscle and tendon of back wall of thorax, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S29.012 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

Code annotations containing back-references to S29.012A

Back-references to S29.01

• Type 2 Excludes: S23 Dislocation and sprain of joints and ligaments of thorax ("strain of muscle or tendon of thorax (S29.01-)")

Diagnosis Index entries for S29.012A

• Injury › muscle (and fascia) (and tendon) › thorax (level) › strain › back wall

Nearby codes

• 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
• S29.012A Strain of muscle and tendon of back wall of thorax, initial encounter (this code)
• S29.012D Strain of muscle and tendon of back wall of thorax, subsequent encounter
• S29.012S Strain of muscle and tendon of back wall of thorax, sequela
• S29.019 Strain of muscle and tendon of unspecified wall of thorax
• S29.019A Strain of muscle and tendon of unspecified wall of thorax, initial encounter
• S29.019D Strain of muscle and tendon of unspecified wall of thorax, subsequent encounter