S23.42 — Sprain of sternum
Is S23.42 billable?
No — S23.42 is a non-billable header code. S23.42 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 9 billable codes beneath S23.42.
Billable codes under this header
- S23.421ASprain of chondrosternal joint, initial encounter
- S23.421DSprain of chondrosternal joint, subsequent encounter
- S23.421SSprain of chondrosternal joint, sequela
- S23.428AOther sprain of sternum, initial encounter
- S23.428DOther sprain of sternum, subsequent encounter
- S23.428SOther sprain of sternum, sequela
- S23.429AUnspecified sprain of sternum, initial encounter
- S23.429DUnspecified sprain of sternum, subsequent encounter
- S23.429SUnspecified sprain of sternum, sequela
S23.42 at a glance
| Code | S23.42 |
|---|---|
| Description | Sprain of sternum |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Use additional code — inherited from Chapter 19
Report an additional code alongside S23.42 to fully describe the condition. S23.42 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 S23.42, but a patient may have both at the same time. When documentation supports it, S23.42 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S20-S29
The conditions below are not part of S23.42, but a patient may have both at the same time. When documentation supports it, S23.42 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)
Excludes2 — not included here — inherited from S23
The conditions below are not part of S23.42, but a patient may have both at the same time. When documentation supports it, S23.42 and the excluded code may both be reported.
Code also — inherited from S23
Two codes may be needed to describe the condition fully. Whether S23.42 is sequenced first depends on the reason for the encounter.
- any associated open wound
What codes fall under S23.42? (3)
How long has S23.42 existed?
S23.42 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.