L63 ICD-10-CM Code: Alopecia areata
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
L63Alopecia areata
ICD-10-CM diagnosis code · United States clinical modification
Where L63 sits
- 1
Chapter 12
Diseases of the skin and subcutaneous tissue (L00-L99)
- 2
Section
Disorders of skin appendages (L60-L75)
- 3
Category L63
Alopecia areata
- 4
Code L63
Alopecia areata
Codes under L63
L63 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for L63.
Code first
No “code first” instruction is listed for L63.
Use additional code
No “use additional code” instruction is listed for L63.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for L63.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for L63.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code L63 mean?
L63 is the FY 2027 U.S. ICD-10-CM code for “Alopecia areata.”
Is L63 a billable or specific ICD-10-CM code?
No. L63 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is L63 located in ICD-10-CM?
L63 is listed in Chapter 12, Diseases of the skin and subcutaneous tissue (L00-L99), within Disorders of skin appendages (L60-L75) (L60–L75), under category L63, Alopecia areata.
What coding notes are listed for L63?
No inclusion terms are listed for L63 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.