ICD-10-CM 2027
ICD-10 code for ankle contusion
From the official ICD-10-CM alphabetic index entry “Contusion (skin surface intact) › ankle”. Page updated September 29, 2026.
About coding ankle contusion
The ICD-10-CM code for ankle contusion is S90.0 (Contusion of ankle).
Within S90 (superficial injury of ankle, foot and toes), S90.0 is specifically for contusion of ankle. Related codes cover contusion of toe without damage to nail (S90.1), contusion of toe with damage to nail (S90.2), contusion of foot (S90.3), other superficial injuries of toe (S90.4), other superficial injuries of ankle (S90.5), other superficial injuries of foot (S90.8) and unspecified superficial injury of ankle, foot and toe (S90.9).
Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.