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ICD-10-CM 2027 diagnosis code

S90.571Other superficial bite of ankle, right ankle

Not billable — use a more specific codeRequires 7th character

S90.571 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it and add the required 7th character.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About S90.571

S90.571 is the ICD-10-CM diagnosis code for other superficial bite of ankle, right ankle. It belongs to category S90 (superficial injury of ankle, foot and toes), block S90-S99 (injuries to the ankle and foot) and chapter 19 (injury, poisoning and certain other consequences of external causes). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within S90.57 (other superficial bite of ankle), S90.571 is specifically for other superficial bite of ankle, right ankle. Related codes cover left ankle (S90.572) and unspecified ankle (S90.579).

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.

7th character

The appropriate 7th character is to be added to each code from category S90

Notes that apply from higher levels

Instructions written at a parent level also apply to S90.571.

› From S90.57 Other superficial bite of ankle
Excludes1

Broader instructions also apply from S90-S99 Injuries to the ankle and foot and Chapter 19: Injury, poisoning and certain other consequences of external causes.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about S90.571

Is S90.571 billable?

No. S90.571 is a header code. Report one of its more specific subcodes instead.