S23.420
S23.420 — Sprain of sternoclavicular (joint) (ligament)
Non-billable headerICD-10-CM
S23.420 is a non-billable header ICD-10-CM code for sprain of sternoclavicular (joint) (ligament). It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category S23
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S23.420 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead S23.420
3 child codes. Green means billable.
Related codes at this level
Codes that share S23.42. If S23.420 is not quite right, the correct code is usually one of these.
Questions about S23.420
- Is S23.420 a billable ICD-10-CM code?
- No. S23.420 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does S23.420 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the thorax (S20-S29).