ICD-10-CM Diagnosis Code (2025)
Official Description for S99
Other and unspecified injuries of ankle and foot
Coding Notes & Guidelines for S99
7th Character Guidance
The appropriate 7th character is to be added to each code from subcategories S99.0
7th Character Guidance
The appropriate 7th character is to be added to each code from subcategories S99.1
7th Character Guidance
The appropriate 7th character is to be added to each code from subcategories S99.2
7th Character Guidance
The appropriate 7th character is to be added to each code from subcategory S99.8
7th Character Guidance
The appropriate 7th character is to be added to each code from subcategory S99.9
Child Codes (More Specific Codes for S99):
S99.0 - Physeal fracture of calcaneus
S99.00 - Unspecified physeal fracture of calcaneus
S99.001 - Unspecified physeal fracture of right calcaneus
S99.002 - Unspecified physeal fracture of left calcaneus
S99.009 - Unspecified physeal fracture of unspecified calcaneus
S99.01 - Salter-Harris Type I physeal fracture of calcaneus
S99.011 - Salter-Harris Type I physeal fracture of right calcaneus
S99.012 - Salter-Harris Type I physeal fracture of left calcaneus
S99.019 - Salter-Harris Type I physeal fracture of unspecified calcaneus
S99.02 - Salter-Harris Type II physeal fracture of calcaneus
S99.021 - Salter-Harris Type II physeal fracture of right calcaneus
S99.022 - Salter-Harris Type II physeal fracture of left calcaneus
S99.029 - Salter-Harris Type II physeal fracture of unspecified calcaneus
S99.03 - Salter-Harris Type III physeal fracture of calcaneus
S99.031 - Salter-Harris Type III physeal fracture of right calcaneus
S99.032 - Salter-Harris Type III physeal fracture of left calcaneus
S99.039 - Salter-Harris Type III physeal fracture of unspecified calcaneus
S99.04 - Salter-Harris Type IV physeal fracture of calcaneus
S99.041 - Salter-Harris Type IV physeal fracture of right calcaneus
S99.042 - Salter-Harris Type IV physeal fracture of left calcaneus
S99.049 - Salter-Harris Type IV physeal fracture of unspecified calcaneus
S99.09 - Other physeal fracture of calcaneus
S99.091 - Other physeal fracture of right calcaneus
S99.092 - Other physeal fracture of left calcaneus
S99.099 - Other physeal fracture of unspecified calcaneus
S99.1 - Physeal fracture of metatarsal
S99.10 - Unspecified physeal fracture of metatarsal
S99.101 - Unspecified physeal fracture of right metatarsal
S99.102 - Unspecified physeal fracture of left metatarsal
S99.109 - Unspecified physeal fracture of unspecified metatarsal
S99.11 - Salter-Harris Type I physeal fracture of metatarsal
S99.111 - Salter-Harris Type I physeal fracture of right metatarsal
S99.112 - Salter-Harris Type I physeal fracture of left metatarsal
S99.119 - Salter-Harris Type I physeal fracture of unspecified metatarsal
S99.12 - Salter-Harris Type II physeal fracture of metatarsal
S99.121 - Salter-Harris Type II physeal fracture of right metatarsal
S99.122 - Salter-Harris Type II physeal fracture of left metatarsal
S99.129 - Salter-Harris Type II physeal fracture of unspecified metatarsal
S99.13 - Salter-Harris Type III physeal fracture of metatarsal
S99.131 - Salter-Harris Type III physeal fracture of right metatarsal
S99.132 - Salter-Harris Type III physeal fracture of left metatarsal
S99.139 - Salter-Harris Type III physeal fracture of unspecified metatarsal
S99.14 - Salter-Harris Type IV physeal fracture of metatarsal
S99.141 - Salter-Harris Type IV physeal fracture of right metatarsal
S99.142 - Salter-Harris Type IV physeal fracture of left metatarsal
S99.149 - Salter-Harris Type IV physeal fracture of unspecified metatarsal
S99.19 - Other physeal fracture of metatarsal
S99.191 - Other physeal fracture of right metatarsal
S99.192 - Other physeal fracture of left metatarsal
S99.199 - Other physeal fracture of unspecified metatarsal
S99.2 - Physeal fracture of phalanx of toe
S99.20 - Unspecified physeal fracture of phalanx of toe
S99.201 - Unspecified physeal fracture of phalanx of right toe
S99.202 - Unspecified physeal fracture of phalanx of left toe
S99.209 - Unspecified physeal fracture of phalanx of unspecified toe
S99.21 - Salter-Harris Type I physeal fracture of phalanx of toe
S99.211 - Salter-Harris Type I physeal fracture of phalanx of right toe
S99.212 - Salter-Harris Type I physeal fracture of phalanx of left toe
S99.219 - Salter-Harris Type I physeal fracture of phalanx of unspecified toe
S99.22 - Salter-Harris Type II physeal fracture of phalanx of toe
S99.221 - Salter-Harris Type II physeal fracture of phalanx of right toe
S99.222 - Salter-Harris Type II physeal fracture of phalanx of left toe
S99.229 - Salter-Harris Type II physeal fracture of phalanx of unspecified toe
S99.23 - Salter-Harris Type III physeal fracture of phalanx of toe
S99.231 - Salter-Harris Type III physeal fracture of phalanx of right toe
S99.232 - Salter-Harris Type III physeal fracture of phalanx of left toe
S99.239 - Salter-Harris Type III physeal fracture of phalanx of unspecified toe
S99.24 - Salter-Harris Type IV physeal fracture of phalanx of toe
S99.241 - Salter-Harris Type IV physeal fracture of phalanx of right toe
S99.242 - Salter-Harris Type IV physeal fracture of phalanx of left toe
S99.249 - Salter-Harris Type IV physeal fracture of phalanx of unspecified toe
S99.29 - Other physeal fracture of phalanx of toe
S99.291 - Other physeal fracture of phalanx of right toe
S99.292 - Other physeal fracture of phalanx of left toe
S99.299 - Other physeal fracture of phalanx of unspecified toe
S99.8 - Other specified injuries of ankle and foot
S99.81 - Other specified injuries of ankle
S99.811 - Other specified injuries of right ankle
S99.812 - Other specified injuries of left ankle
S99.819 - Other specified injuries of unspecified ankle
S99.82 - Other specified injuries of foot
S99.821 - Other specified injuries of right foot
S99.822 - Other specified injuries of left foot
S99.829 - Other specified injuries of unspecified foot
S99.9 - Unspecified injury of ankle and foot
S99.91 - Unspecified injury of ankle
S99.911 - Unspecified injury of right ankle
S99.912 - Unspecified injury of left ankle
S99.919 - Unspecified injury of unspecified ankle
S99.92 - Unspecified injury of foot
S99.921 - Unspecified injury of right foot
S99.922 - Unspecified injury of left foot
S99.929 - Unspecified injury of unspecified foot
About ICD-10-CM Code S99 (Other and unspecified injuries of ankle and foot)
ICD-10-CM code S99 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 S99 became effective on October 1, 2024.
This page provides detailed information about S99 - Other and unspecified injuries of ankle and foot. 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 Other and unspecified injuries of ankle and foot.