S29.9 — Unspecified injury of thorax
Is S29.9 billable?
No — S29.9 is a non-billable header code. S29.9 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath S29.9.
S29.9 at a glance
| Code | S29.9 |
|---|---|
| Description | Unspecified injury of thorax |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S29.9 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to S29.9. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Injury › breast NOS
- Injury › costal region NEC
- Injury › costochondral NEC
- Injury › midthoracic region NOS
- Injury › sternal region
- Injury › thorax, thoracic
- Injury › thorax, thoracic › external
Use additional code — inherited from Chapter 19
Report an additional code alongside S29.9 to fully describe the condition. S29.9 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S29.9, but a patient may have both at the same time. When documentation supports it, S29.9 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S20-S29
The conditions below are not part of S29.9, but a patient may have both at the same time. When documentation supports it, S29.9 and the excluded code may both be reported.
- 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 — inherited from S29
Two codes may be needed to describe the condition fully. Whether S29.9 is sequenced first depends on the reason for the encounter.
- any associated open wound (S21.-)
What codes fall under S29.9? (3)
How long has S29.9 existed?
S29.9 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.