2026
ICD-10-CM
Diagnosis
Code

S81 Open wound of knee and lower leg

  • Non-billable
  • 2016–2026

S81 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Open wound of knee and lower leg.

Code also

  • Any associated wound infection

Type 1 excludes

  • Open fracture of knee and lower leg (S82.-)

  • Traumatic amputation of lower leg (S88.-)

Type 2 excludes

  • Open wound of ankle and foot (S91.-)

Seventh character note

  • The appropriate 7th character is to be added to each code from category S81

Seventh character extensions

  • A: initial encounter

  • D: subsequent encounter

  • S: sequela

Codes

Versions

  1. 2026

    No changes

  2. 2025

    No changes

  3. 2024

    No changes

  4. 2023

    No changes

  5. 2022

    No changes

  6. 2021

    No changes

  7. 2020

    No changes

  8. 2019

    No changes

  9. 2018

    No changes

  10. 2017

    No changes

  11. 2016

    New code