S91
Open wound of ankle, foot and toes
Non-billableCategory
7th Character Required
The appropriate 7th character is to be added to each code from category S91
A - initial encounter
D - subsequent encounter
S - sequela
Coding Guidelines
Excludes1 (Mutually Exclusive)
These codes should never be used together with S91
- open fracture of ankle, foot and toes (S92.-with 7th character B)
- traumatic amputation of ankle and foot (S98.-)
Code Also
- any associated wound infection


