S90.549D
S90.549D — External constriction, unspecified ankle, subsequent encounter
Billable / specific codeICD-10-CMPOA exemptunspecified
S90.549D is a billable, specific ICD-10-CM code for external constriction, unspecified ankle, subsequent encounter. It is valid for submission on a claim.
7th character "D" — subsequent encounter
The appropriate 7th character is to be added to each code from category S90
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S90.549D 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.
Related codes at this level
Codes that share S90.549. If S90.549D is not quite right, the correct code is usually one of these.
Questions about S90.549D
- Is S90.549D a billable ICD-10-CM code?
- Yes. S90.549D is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S90.549D sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the ankle and foot (S90-S99).