10ICD Code Hub

L66

Header — not billable

Cicatricial alopecia [scarring hair loss]

The ICD-10 code for cicatricial alopecia [scarring hair loss] is L66.

L66 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 7 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under L66

Related codes in this category