L05.01 – Pilonidal cyst with abscess

ICD-10-CM 2027 diagnosis code · Infections of the skin and subcutaneous tissue

Billable code

ICD-10-CM code L05.01
Code
L05.01 (claims format: L0501)
Description
Pilonidal cyst with abscess
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
12. Diseases of the skin and subcutaneous tissue (L00-L99)
Block
L00-L08 Infections of the skin and subcutaneous tissue
Parent codes
L05 › L05.0

Notes for L05.01

Applicable to:
  • Pilonidal abscess
  • Pilonidal dimple with abscess
  • Postanal dimple with abscess
Excludes2 (not included here):
  • congenital sacral dimple (Q82.6)
  • parasacral dimple (Q82.6)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block L00-L08

Excludes2 (not included here):
  • hordeolum (H00.0)
  • infective dermatitis (L30.3)
  • local infections of skin classified in Chapter 1
  • lupus panniculitis (L93.2)
  • panniculitis NOS (M79.3)
  • panniculitis of neck and back (M54.0-)
  • Perlèche NOS (K13.0)
  • Perlèche due to candidiasis (B37.0)
  • Perlèche due to riboflavin deficiency (E53.0)
  • pyogenic granuloma (L98.0)
  • relapsing panniculitis [Weber-Christian] (M35.6)
  • viral warts (B07.-)
  • zoster (B02.-)
Use additional code:
  • code (B95-B97) to identify infectious agent.

Index terms for L05.01

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in L05.0

Frequently asked questions

What is ICD-10 code L05.01?

L05.01 is the ICD-10-CM code for pilonidal cyst with abscess, in the block L00-L08 (Infections of the skin and subcutaneous tissue).

Is L05.01 a billable code?

Yes. L05.01 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does L05.01 belong to?

It belongs to category L05 – Pilonidal cyst and sinus.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.