Alopecia areata (L63) ICD-10-CM
The L63 code range covers alopecia areata with 6 ICD-10-CM diagnosis codes. 5 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Codes in the L63 Range 6 codes · 5 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the L63 range.
Alopecia Areata
Loss of scalp and body hair involving microscopically inflammatory patchy areas.
About the L63 Code Range
Alopecia areata involves patchy hair loss on the scalp and body, with inflammation visible under a microscope.
The subdivisions distinguish total scalp hair loss (L63.0), alopecia universalis (L63.1), and ophiasis (L63.2). They also separate other alopecia areata (L63.8) from unspecified alopecia areata (L63.9).
Questions About This Page
How many billable codes are in the L63 range?
Of the 6 codes in this range, 5 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the L63 range classify?
The range classifies alopecia areata. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
