L66
L66: Cicatricial alopecia [scarring hair loss]
Non-billable headerICD-10-CM
L66 is a non-billable header ICD-10-CM code for cicatricial alopecia [scarring hair loss]. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with L66
Their own Excludes1 notes name this code, so the conflict is not listed above.
- L43Lichen planus
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead L66
7 child codes. Green means billable.