All ICD10 Codes

L05

Non-Billable
ChapterL00–L99
Rankcategory
Official Description

Pilonidal cyst and sinus

Use a more specific code (0 billable, 2 non-billable)
L05.0Pilonidal cyst and sinus with abscesshas subcodesL05.9Pilonidal cyst and sinus without abscesshas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 12: Diseases of the Skin and Subcutaneous Tissue (L00-L99).

CH12 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

L00-L08 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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.

Clinical Hierarchy

BillableHas subcodes
CH12Diseases of the skin and subcutaneous tissue (L00-L99)
L00-L08Infections of the skin and subcutaneous tissue (L00-L08)
L05Pilonidal cyst and sinusNot billable
L05.0Pilonidal cyst and sinus with abscessSubcodes
L05.9Pilonidal cyst and sinus without abscessSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to L05:

blockL00-L08
Infections of the skin and subcutaneous tissue (L00-L08)
View context instructions
chapterCH12
Diseases of the skin and subcutaneous tissue (L00-L99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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