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L05.0 ICD-10-CA code: Pilonidal cyst with abscess

L05.0 is the ICD-10-CA code for “Pilonidal cyst with abscess” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

L05.0

Pilonidal cyst with abscess

ICD-10-CA · Canada · Also written L050

Index terms

Entries in CIHI’s alphabetical index that lead to L05.0. Searching the index by the condition the note names is how coders reach this code.

  • Fistula, coccyx, with abscess
  • Sinus, coccygeal, with abscess
  • Sinus, dermal (congenital), with abscess
  • Sinus, pilonidal (infected) (rectum), with abscess
  • Fistula, pilonidal (infected) (rectum), with abscess
  • Dimple, parasacral, pilonidal or postanal, with abscess
  • Abscess (embolic) (infective) (metastatic) (multiple) (pyogenic) (septic), pilonidal
  • Cyst (colloid) (mucous) (retention) (simple), pilonidal (infected) (rectum), with abscess
  • Infection, infected (opportunistic), sinus (accessory) (chronic) (nasal), pilonidal, with abscess

Notes for L05.0

As CIHI prints them, with any note L05.0 takes from the headings above it.

Includes

Use additional code

Add a code for this detail when the note documents it.

Excludes

Conditions classified elsewhere.

  • Hordeolum (H00.0)infective dermatitis (L30.3)local infections of skin classified in Chapter I, such as:• erysipelas (A46)• erysipeloid (A26.-)• herpesviral [herpes simplex] infection (B00.-)• anogenital (A60.-)• molluscum contagiosum (B08.1)• mycoses (B35-B49)• pediculosis, acariasis and other infestations (B85-B89)• viral warts (B07)panniculitis (of):• NOS (M79.3)• lupus (L93.2)• neck and back (M54.0)• relapsing [Weber-Christian] (M35.6)perlèche (due to):• NOS (K13.0)• candidiasis (B37.-)• riboflavin deficiency (E53.0)pyogenic granuloma (L98.0)zoster (B02.-)From L00-L08 Infections of the skin and subcutaneous tissue
  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)lipomelanotic reticulosis (I89.8)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)systemic connective tissue disorders (M30-M36)From Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)

Where L05.0 sits

  1. 1ChapterChapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
  2. 2Block L00-L08Infections of the skin and subcutaneous tissue
  3. 3Category L05Pilonidal cyst
  4. 4Valid code L05.0Pilonidal cyst with abscess

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See L05.0 in the CIHI source

Frequently asked questions

What does ICD-10-CA code L05.0 mean?

L05.0 is the ICD-10-CA code for “Pilonidal cyst with abscess” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is L05.0 in ICD-10-CA?

L05.0 sits under L05 Pilonidal cyst, within L00-L08 Infections of the skin and subcutaneous tissue, within Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99).

What coding notes apply to L05.0?

ICD-10-CA lists Includes, Use additional code, Excludes notes for L05.0, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside L05.0

L05.9Pilonidal cyst without abscess