S66.328A — Laceration of extensor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
S66.328A is a billable, specific ICD-10-CM code for laceration of extensor muscle, fascia and tendon of other finger at wrist and hand level, 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 S66
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Laceration of extensor muscle, fascia and tendon of specified finger with unspecified laterality at wrist and hand level
Risk adjustment
S66.328A 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
S66.328A is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A55909Billing and Coding: Wound Care
- A56459Billing and Coding: Debridement Services
- A57554Billing and Coding: Immune Globulins
Related codes at this level
Codes that share S66.328. If S66.328A is not quite right, the correct code is usually one of these.
Questions about S66.328A
- Is S66.328A a billable ICD-10-CM code?
- Yes. S66.328A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S66.328A 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).