S91.1

S91.1: Open wound of toe without damage to nail

Non-billable headerICD-10-CM

S91.1 is a non-billable header ICD-10-CM code for open wound of toe 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

Excludes1 inherited from the categories above S91.1

A category’s note binds every code beneath it.

Written on S91: Open wound of ankle, foot and toes

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

Other codes that can never be billed with S91.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

S90.47Other superficial bite of toe

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead S91.1

6 child codes. Green means billable.