2025
ICD-10-CM
Diagnosis
Code

L99 Other disorders of skin and subcutaneous tissue in diseases classified elsewhere

  • Billable
  • 2016–2025

L99 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Other disorders of skin and subcutaneous tissue in diseases classified elsewhere.

Code first

  • Underlying disease, such as:

Type 1 excludes

  • Skin disorders in diabetes (E08-E13 with .62-)

  • Skin disorders in gonorrhea (A54.89)

  • Skin disorders in syphilis (A51.31, A52.79)

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    Code changed

    • Type 1 excludes

        • skin disorders in diabetes (E08-E13 with .62)
        • skin disorders in gonorrhea (A54.89)
        • skin disorders in syphilis (A51.31, A52.79)
        • skin disorders in diabetes (E08-E13 with .62-)
        • skin disorders in gonorrhea (A54.89)
        • skin disorders in syphilis (A51.31, A52.79)
  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    No changes

  9. 2017

    No changes

  10. 2016

    New code