ICD10BillableValid for clinical use

ICD-10 Code L05.02: Pilonidal sinus with abscess

L05.02 is a billable ICD-10 diagnosis code used to classify Pilonidal sinus with abscess in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).

When is it used?

  • May be used when a clinician documents pilonidal sinus with abscess in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
12Diseases of the skin and subcutaneous tissue (L00-L99)
block
L00-L08Infections of the skin and subcutaneous tissue
category
L05Pilonidal cyst and sinus
category
L05.0Pilonidal cyst and sinus with abscess
currentL05.0

Official coding notes

Inclusion terms
  • Coccygeal fistula with abscess
  • Coccygeal sinus with abscess
  • Pilonidal fistula with abscess

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Dermatologist

Coverage-related procedures and services

Coding guidelines

Common synonyms

Pilonidal sinus with abscess

Frequently asked questions

Code details

CodeL05.02
SystemICD10
Display namePilonidal sinus with abscess
ChapterDiseases of the skin and subcutaneous tissue (L00-L99)
BlockInfections of the skin and subcutaneous tissue

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Sinus

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.