S53.43 — Radial collateral ligament sprain
S53.43 is a non-billable header ICD-10-CM code for radial collateral ligament sprain. 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 S53
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Other codes that can never be billed with S53.43
These codes carry an Excludes1 note pointing at S53.43. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading S53.43 alone.
- S53.2Traumatic rupture of radial collateral ligament
Risk adjustment
S53.43 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 S53.43
3 child codes. Green means billable.
Related codes at this level
Codes that share S53.4. If S53.43 is not quite right, the correct code is usually one of these.
Questions about S53.43
- Is S53.43 a billable ICD-10-CM code?
- No. S53.43 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does S53.43 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the elbow and forearm (S50-S59).