S91.106 — Unspecified open wound of unspecified lesser toe(s) without damage to nail
S91.106 is a non-billable header ICD-10-CM code for unspecified open wound of unspecified lesser toe(s) without damage to nail. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category S91
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S91.106 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.
How S91.106 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to S91.106.
- Wound, open›toe›lesser
Code to one of these instead S91.106
3 child codes. Green means billable.
Related codes at this level
Codes that share S91.10. If S91.106 is not quite right, the correct code is usually one of these.
- S91.101Unspecified open wound of right great toe without damage to nail
- S91.102Unspecified open wound of left great toe without damage to nail
- S91.103Unspecified open wound of unspecified great toe without damage to nail
- S91.104Unspecified open wound of right lesser toe(s) without damage to nail
- S91.105Unspecified open wound of left lesser toe(s) without damage to nail
- S91.109Unspecified open wound of unspecified toe(s) without damage to nail
Questions about S91.106
- Is S91.106 a billable ICD-10-CM code?
- No. S91.106 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does S91.106 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).