S54.8X2D — Injury of other nerves at forearm level, left arm, subsequent encounter
S54.8X2D is a billable, specific ICD-10-CM code for injury of other nerves at forearm level, left arm, 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 S54
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S54.8X2D 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
S54.8X2D is named in 9 Medicare coverage policies — 9 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A53058Billing and Coding: Home Health Physical Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
- A54095Billing and Coding: Nerve Conduction Studies and Electromyography
- A54969Billing and Coding: Nerve Conduction Studies and Electromyography
Code history
S54.8X2D has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share S54.8X2. If S54.8X2D is not quite right, the correct code is usually one of these.
Questions about S54.8X2D
- Is S54.8X2D a billable ICD-10-CM code?
- Yes. S54.8X2D is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S54.8X2D 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).