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L63 ICD-10-CA category: Alopecia areata

L63 isn’t a code on its own. Choose one of the 5 codes beneath it, the one the documentation supports.

Official description

L63

Alopecia areata

ICD-10-CA · Canada

Codes in L63

L63 isn’t a code on its own. Open the code that matches what the note documents.

L63.0Alopecia (capitis) totalisL63.1Alopecia universalisL63.2OphiasisL63.8Other alopecia areataL63.9Alopecia areata, unspecified

Notes for L63

As CIHI prints them, with any note L63 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 sits

  1. 1ChapterChapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
  2. 2Block L60-L75Disorders of skin appendages
  3. 3Category L63Alopecia areata

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 L63 in the CIHI source

Frequently asked questions

Is L63 a valid ICD-10-CA code?

No. L63 (Alopecia areata) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 5 codes; record the one the documentation supports.

Where is L63 in ICD-10-CA?

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

What coding notes apply to L63?

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

L60Nail disordersL62Nail disorders in diseases classified elsewhereL64Androgenic alopeciaL65Other nonscarring hair lossL66Cicatricial alopecia [scarring hair loss]L67Hair colour and hair shaft abnormalitiesL68HypertrichosisL70AcneL71RosaceaL72Follicular cysts of skin and subcutaneous tissueL73Other follicular disordersL74Eccrine sweat disordersL75Apocrine sweat disorders