ICD-10-CM › L00-L99 › L60-L75 › L66.1 Lichen planopilaris › L66.10
L66.10
Lichen planopilaris, unspecified
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2025 to now.
- FY2025 Added to the code set Lichen planopilaris, unspecified
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from the L60-L75 section Disorders of skin appendages (L60-L75)
Excludes1 - never coded here
- congenital malformations of integument (Q84.-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Lichen > planopilaris
Codes in the same group
| Code | Description | Status |
|---|---|---|
| L66.11 | Classic lichen planopilaris | Valid |
| L66.12 | Frontal fibrosing alopecia | Valid |
| L66.19 | Other lichen planopilaris | Valid |