S91 Open wound of ankle, foot and toes

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Open wound of ankle, foot and toes is S91 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
S90-S99: Injuries to the ankle and foot (S90-S99)
Category S91
149 codes (120 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded 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

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference S91 with the canonical source and edition:

S91 — Open wound of ankle, foot and toes. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/S91

Canonical URL: https://icd10codingpro.com/codes/S91

Related Codes

All Codes in S91

Every most-specific code under S91 Open wound of ankle, foot and toes (120 codes):

Show the complete S91 code list
S91.001 Unspecified open wound, right ankle S91.002 Unspecified open wound, left ankle S91.009 Unspecified open wound, unspecified ankle S91.011 Laceration without foreign body, right ankle S91.012 Laceration without foreign body, left ankle S91.019 Laceration without foreign body, unspecified ankle S91.021 Laceration with foreign body, right ankle S91.022 Laceration with foreign body, left ankle S91.029 Laceration with foreign body, unspecified ankle S91.031 Puncture wound without foreign body, right ankle S91.032 Puncture wound without foreign body, left ankle S91.039 Puncture wound without foreign body, unspecified ankle S91.041 Puncture wound with foreign body, right ankle S91.042 Puncture wound with foreign body, left ankle S91.049 Puncture wound with foreign body, unspecified ankle S91.051 Open bite, right ankle S91.052 Open bite, left ankle S91.059 Open bite, unspecified ankle S91.101 Unspecified open wound of right great toe without damage to nail S91.102 Unspecified open wound of left great toe without damage to nail S91.103 Unspecified open wound of unspecified great toe without damage to nail S91.104 Unspecified open wound of right lesser toe(s) without damage to nail S91.105 Unspecified open wound of left lesser toe(s) without damage to nail S91.106 Unspecified open wound of unspecified lesser toe(s) without damage to nail S91.109 Unspecified open wound of unspecified toe(s) without damage to nail S91.111 Laceration without foreign body of right great toe without damage to nail S91.112 Laceration without foreign body of left great toe without damage to nail S91.113 Laceration without foreign body of unspecified great toe without damage to nail S91.114 Laceration without foreign body of right lesser toe(s) without damage to nail S91.115 Laceration without foreign body of left lesser toe(s) without damage to nail S91.116 Laceration without foreign body of unspecified lesser toe(s) without damage to nail S91.119 Laceration without foreign body of unspecified toe without damage to nail S91.121 Laceration with foreign body of right great toe without damage to nail S91.122 Laceration with foreign body of left great toe without damage to nail S91.123 Laceration with foreign body of unspecified great toe without damage to nail S91.124 Laceration with foreign body of right lesser toe(s) without damage to nail S91.125 Laceration with foreign body of left lesser toe(s) without damage to nail S91.126 Laceration with foreign body of unspecified lesser toe(s) without damage to nail S91.129 Laceration with foreign body of unspecified toe(s) without damage to nail S91.131 Puncture wound without foreign body of right great toe without damage to nail S91.132 Puncture wound without foreign body of left great toe without damage to nail S91.133 Puncture wound without foreign body of unspecified great toe without damage to nail S91.134 Puncture wound without foreign body of right lesser toe(s) without damage to nail S91.135 Puncture wound without foreign body of left lesser toe(s) without damage to nail S91.136 Puncture wound without foreign body of unspecified lesser toe(s) without damage to nail S91.139 Puncture wound without foreign body of unspecified toe(s) without damage to nail S91.141 Puncture wound with foreign body of right great toe without damage to nail S91.142 Puncture wound with foreign body of left great toe without damage to nail S91.143 Puncture wound with foreign body of unspecified great toe without damage to nail S91.144 Puncture wound with foreign body of right lesser toe(s) without damage to nail S91.145 Puncture wound with foreign body of left lesser toe(s) without damage to nail S91.146 Puncture wound with foreign body of unspecified lesser toe(s) without damage to nail S91.149 Puncture wound with foreign body of unspecified toe(s) without damage to nail S91.151 Open bite of right great toe without damage to nail S91.152 Open bite of left great toe without damage to nail S91.153 Open bite of unspecified great toe without damage to nail S91.154 Open bite of right lesser toe(s) without damage to nail S91.155 Open bite of left lesser toe(s) without damage to nail S91.156 Open bite of unspecified lesser toe(s) without damage to nail S91.159 Open bite of unspecified toe(s) without damage to nail S91.201 Unspecified open wound of right great toe with damage to nail S91.202 Unspecified open wound of left great toe with damage to nail S91.203 Unspecified open wound of unspecified great toe with damage to nail S91.204 Unspecified open wound of right lesser toe(s) with damage to nail S91.205 Unspecified open wound of left lesser toe(s) with damage to nail S91.206 Unspecified open wound of unspecified lesser toe(s) with damage to nail S91.209 Unspecified open wound of unspecified toe(s) with damage to nail S91.211 Laceration without foreign body of right great toe with damage to nail S91.212 Laceration without foreign body of left great toe with damage to nail S91.213 Laceration without foreign body of unspecified great toe with damage to nail S91.214 Laceration without foreign body of right lesser toe(s) with damage to nail S91.215 Laceration without foreign body of left lesser toe(s) with damage to nail S91.216 Laceration without foreign body of unspecified lesser toe(s) with damage to nail S91.219 Laceration without foreign body of unspecified toe(s) with damage to nail S91.221 Laceration with foreign body of right great toe with damage to nail S91.222 Laceration with foreign body of left great toe with damage to nail S91.223 Laceration with foreign body of unspecified great toe with damage to nail S91.224 Laceration with foreign body of right lesser toe(s) with damage to nail S91.225 Laceration with foreign body of left lesser toe(s) with damage to nail S91.226 Laceration with foreign body of unspecified lesser toe(s) with damage to nail S91.229 Laceration with foreign body of unspecified toe(s) with damage to nail S91.231 Puncture wound without foreign body of right great toe with damage to nail S91.232 Puncture wound without foreign body of left great toe with damage to nail S91.233 Puncture wound without foreign body of unspecified great toe with damage to nail S91.234 Puncture wound without foreign body of right lesser toe(s) with damage to nail S91.235 Puncture wound without foreign body of left lesser toe(s) with damage to nail S91.236 Puncture wound without foreign body of unspecified lesser toe(s) with damage to nail S91.239 Puncture wound without foreign body of unspecified toe(s) with damage to nail S91.241 Puncture wound with foreign body of right great toe with damage to nail S91.242 Puncture wound with foreign body of left great toe with damage to nail S91.243 Puncture wound with foreign body of unspecified great toe with damage to nail S91.244 Puncture wound with foreign body of right lesser toe(s) with damage to nail S91.245 Puncture wound with foreign body of left lesser toe(s) with damage to nail S91.246 Puncture wound with foreign body of unspecified lesser toe(s) with damage to nail S91.249 Puncture wound with foreign body of unspecified toe(s) with damage to nail S91.251 Open bite of right great toe with damage to nail S91.252 Open bite of left great toe with damage to nail S91.253 Open bite of unspecified great toe with damage to nail S91.254 Open bite of right lesser toe(s) with damage to nail S91.255 Open bite of left lesser toe(s) with damage to nail S91.256 Open bite of unspecified lesser toe(s) with damage to nail S91.259 Open bite of unspecified toe(s) with damage to nail S91.301 Unspecified open wound, right foot S91.302 Unspecified open wound, left foot S91.309 Unspecified open wound, unspecified foot S91.311 Laceration without foreign body, right foot S91.312 Laceration without foreign body, left foot S91.319 Laceration without foreign body, unspecified foot S91.321 Laceration with foreign body, right foot S91.322 Laceration with foreign body, left foot S91.329 Laceration with foreign body, unspecified foot S91.331 Puncture wound without foreign body, right foot S91.332 Puncture wound without foreign body, left foot S91.339 Puncture wound without foreign body, unspecified foot S91.341 Puncture wound with foreign body, right foot S91.342 Puncture wound with foreign body, left foot S91.349 Puncture wound with foreign body, unspecified foot S91.351 Open bite, right foot S91.352 Open bite, left foot S91.359 Open bite, unspecified foot
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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