2025
ICD-10-CM
Diagnosis
Code

L05.91 Pilonidal cyst without abscess

  • Billable
  • 2016–2025

L05.91 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Pilonidal cyst without abscess.

Inclusion term

  • Pilonidal dimple

  • Postanal dimple

  • Pilonidal cyst NOS

Type 2 excludes

  • Congenital sacral dimple (Q82.6)

  • Parasacral dimple (Q82.6)

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    No changes

  9. 2017

    Code changed

    • Type 2 excludes

        • congenital sacral dimple (Q82.6)
        • parasacral dimple (Q82.6)

    • Inclusion term

        • Parasacral dimple
        • Pilonidal dimple
        • Postanal dimple
        • Pilonidal cyst NOS
        • Pilonidal dimple
        • Postanal dimple
        • Pilonidal cyst NOS

  10. 2016

    New code