S91.253A
S91.253A — Open bite of unspecified great toe with damage to nail, initial encounter
Billable / specific codeICD-10-CM
S91.253A is a billable, specific ICD-10-CM code for open bite of unspecified great toe with damage to nail, initial encounter. It is valid for submission on a claim.
7th character "A" — initial encounter
The appropriate 7th character is to be added to each code from category S91
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S91.253A 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.
Medicare coverage
S91.253A is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A54767Billing and Coding: Medicare Preventive Coverage for Certain Vaccines
Related codes at this level
Codes that share S91.253. If S91.253A is not quite right, the correct code is usually one of these.
Questions about S91.253A
- Is S91.253A a billable ICD-10-CM code?
- Yes. S91.253A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S91.253A 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).