2025
ICD-10-CM
Diagnosis
Code

S91 Open wound of ankle, foot and toes

Non-billable
2016–2025

S91 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Open wound of ankle, foot and toes.

Code also

Any associated wound infection

Type 1 excludes

Open fracture of ankle, foot and toes (S92.-with 7th character B)
Traumatic amputation of ankle and foot (S98.-)

Seventh character note

The appropriate 7th character is to be added to each code from category S91

Seventh character extensions

A: initial encounter
D: subsequent encounter
S: sequela

Codes

Versions

2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code