L63.9
✓ Billable
Alopecia areata, unspecified
ICD-10-CM · FY2026 · Diseases of the Skin and Subcutaneous Tissue
Code
L63.9
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Skin and Subcutaneous Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code L63.9?
ICD-10-CM code L63.9 represents Alopecia areata, unspecified. It is a billable diagnosis code in the Diseases of the Skin and Subcutaneous Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is L63.9 billable?
Yes. L63.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is L63.9 in?
L63.9 belongs to the Diseases of the Skin and Subcutaneous Tissue chapter (L00–L99) of ICD-10-CM.
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