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L63

Non-billable

Alopecia areata

L63 is the ICD-10-CM code for Alopecia areata. It is a non-billable category code — use a more specific child code such as L63.0 for billing.

Status
Header (non-billable)
Chapter
L00-L99
Subcodes
5
Edition
FY2026

L00-L99 Diseases of the skin and subcutaneous tissue

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code L63?
L63 is the ICD-10-CM code for "Alopecia areata". It falls under L00-L99 Diseases of the skin and subcutaneous tissue.
Is L63 a billable code?
No — L63 is a non-billable header code. Use a more specific child code (such as L63.0) for billing.
What are the subcodes of L63?
L63 has 5 more specific child codes, including L63.0, L63.1, L63.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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