S29.021Header code — not billable
Laceration of muscle and tendon of front wall of thorax
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- S29
- Effective date
- October 1, 2026
Related codes in category S29
S29Other and unspecified injuries of thoraxS29.0Injury of muscle and tendon at thorax levelS29.00Unspecified injury of muscle and tendon of thoraxS29.001Unsp injury of muscle and tendon of front wall of thoraxS29.001AUnsp injury of msl/tnd of front wall of thorax, initYesS29.001DUnsp injury of msl/tnd of front wall of thorax, subsYesS29.001SUnsp injury of msl/tnd of front wall of thorax, sequelaYesS29.002Unsp injury of muscle and tendon of back wall of thoraxS29.002AUnsp injury of msl/tnd of back wall of thorax, initYesS29.002DUnsp injury of msl/tnd of back wall of thorax, subsYesS29.002SUnsp injury of msl/tnd of back wall of thorax, sequelaYesS29.009Unsp injury of muscle and tendon of unsp wall of thorax
Frequently asked questions
What is ICD-10 code S29.021?
S29.021 is an ICD-10-CM diagnosis code for Laceration of muscle and tendon of front wall of thorax.
Is S29.021 a billable code?
No. S29.021 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is S29.021 in?
S29.021 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did S29.021 become effective?
S29.021 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to S29.021?
S29.021 belongs to category S29, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.