S64.490A
S64.490A — Injury of digital nerve of right index finger, initial encounter
Billable / specific codeICD-10-CMright
S64.490A is a billable, specific ICD-10-CM code for injury of digital nerve of right index finger, 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 S64
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S64.490A 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
S64.490A is named in 14 Medicare coverage policies — 14 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A53065Billing and Coding: Outpatient Physical Therapy
- A54095Billing and Coding: Nerve Conduction Studies and Electromyography
- A54969Billing and Coding: Nerve Conduction Studies and Electromyography
- A56034Billing and Coding: Nerve Blockade for Treatment of Chronic Pain and Neuropathy
Related codes at this level
Codes that share S64.490. If S64.490A is not quite right, the correct code is usually one of these.
Questions about S64.490A
- Is S64.490A a billable ICD-10-CM code?
- Yes. S64.490A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S64.490A sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the wrist, hand and fingers (S60-S69).