L63.1Billable

Alopecia universalis

Chapter
12. Diseases of the skin and subcutaneous tissue
Category
L63
Effective date
October 1, 2026

Related codes in category L63

L63Alopecia areataL63.0Alopecia (capitis) totalisYesL63.2OphiasisYesL63.8Other alopecia areataYesL63.9Alopecia areata, unspecifiedYes

Frequently asked questions

What is ICD-10 code L63.1?

L63.1 is an ICD-10-CM diagnosis code for Alopecia universalis.

Is L63.1 a billable code?

Yes. L63.1 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is L63.1 in?

L63.1 falls under Chapter 12: Diseases of the skin and subcutaneous tissue.

When did L63.1 become effective?

L63.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to L63.1?

L63.1 belongs to category L63, which includes 5 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.