L63.9 ICD-10-CA code: Alopecia areata, unspecified

L63.9 is the ICD-10-CA code for “Alopecia areata, unspecified” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

L63.9

Alopecia areata, unspecified

Short description: Alopecia areata unspecified

ICD-10-CA · Canada · Also written L639

Index terms

Entries in CIHI’s alphabetical index that lead to L63.9. Searching the index by the condition the note names is how coders reach this code.

  • Pelade
  • Alopecia (hereditaria) (seborrheica), areata
  • Alopecia (hereditaria) (seborrheica), circumscripta

Notes for L63.9

As CIHI prints them, with any note L63.9 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Congenital malformations of integument (Q84.-)From L60-L75 Disorders of skin appendages
  • 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 L63.9 sits

  1. 1ChapterChapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
  2. 2Block L60-L75Disorders of skin appendages
  3. 3Category L63Alopecia areata
  4. 4Valid code L63.9Alopecia areata, unspecified

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.

Frequently asked questions

What does ICD-10-CA code L63.9 mean?

L63.9 is the ICD-10-CA code for “Alopecia areata, unspecified” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is L63.9 in ICD-10-CA?

L63.9 sits under L63 Alopecia areata, within L60-L75 Disorders of skin appendages, within Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99).

What coding notes apply to L63.9?

ICD-10-CA lists Excludes notes for L63.9, 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.