ICD-10-CM S91: Open wound of ankle, foot and toes

ICD-10-CM Diagnosis Code (2025)

Official Description for S91

Open wound of ankle, foot and toes

Coding Notes & Guidelines for S91

Excludes1: Not Coded Here
  • open fracture of ankle, foot and toes (S92.-with 7th character B)
  • traumatic amputation of ankle and foot (S98.-)
Excludes1: Not Coded Here

superficial bite of ankle (S90.56-, S90.57-)

Excludes1: Not Coded Here

superficial bite of toe (S90.46-, S90.47-)

Excludes1: Not Coded Here

superficial bite of toe (S90.46-, S90.47-)

Excludes1: Not Coded Here

superficial bite of foot (S90.86-, S90.87-)

Inclusion Terms

Bite of toe NOS

Inclusion Terms

Bite of toe with damage to nail NOS

Code Also

any associated wound infection

7th Character Guidance

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

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

Child Codes (More Specific Codes for S91):

S91.0 - Open wound of ankle S91.00 - Unspecified open wound of ankle S91.001 - Unspecified open wound, right ankle S91.002 - Unspecified open wound, left ankle S91.009 - Unspecified open wound, unspecified ankle S91.01 - Laceration without foreign body of 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 S91.02 - Laceration with foreign body of 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 S91.03 - Puncture wound without foreign body of 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 S91.04 - Puncture wound with foreign body of 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 S91.05 - Open bite of ankle S91.051 - Open bite, right ankle S91.052 - Open bite, left ankle S91.059 - Open bite, unspecified ankle S91.1 - Open wound of toe without damage to nail S91.10 - Unspecified open wound of toe without damage to nail 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 S91.11 - Laceration without foreign body of toe 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 S91.12 - Laceration with foreign body of 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 S91.13 - Puncture wound without foreign body of toe 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 S91.14 - Puncture wound with foreign body of toe 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 S91.15 - Open bite of toe 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 S91.2 - Open wound of toe with damage to nail S91.20 - Unspecified open wound of toe with 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 S91.21 - Laceration without foreign body of toe 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 S91.22 - Laceration with foreign body of toe 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 S91.23 - Puncture wound without foreign body of toe 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 S91.24 - Puncture wound with foreign body of toe 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 S91.25 - Open bite of toe 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 S91.3 - Open wound of foot S91.30 - Unspecified open wound of foot S91.301 - Unspecified open wound, right foot S91.302 - Unspecified open wound, left foot S91.309 - Unspecified open wound, unspecified foot S91.31 - Laceration without foreign body of 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 S91.32 - Laceration with foreign body of 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 S91.33 - Puncture wound without foreign body of 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 S91.34 - Puncture wound with foreign body of 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 S91.35 - Open bite of foot S91.351 - Open bite, right foot S91.352 - Open bite, left foot S91.359 - Open bite, unspecified foot

About ICD-10-CM Code S91 (Open wound of ankle)

ICD-10-CM code S91 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM S91 became effective on October 1, 2024.

This page provides detailed information about S91 - Open wound of ankle, foot and toes. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Open wound of ankle related to foot and toes.