ICD-10-CM › L00-L99 › L60-L75 › L66 Cicatricial alopecia [scarring hair loss] › L66.8

L66.8

Other cicatricial alopecia

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

Billable FY2016 to FY2024, and a category header from FY2025.

Submit one of these 2 more specific codes instead:

  • L66.81 Central centrifugal cicatricial alopecia
  • L66.89 Other cicatricial alopecia

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Other cicatricial alopecia
  2. FY2025 Stopped being billable

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.-)

Codes in the same group

CodeDescriptionStatus
L66.0 Pseudopelade Valid
L66.1 Lichen planopilaris Not billable
L66.2 Folliculitis decalvans Valid
L66.3 Perifolliculitis capitis abscedens Valid
L66.4 Folliculitis ulerythematosa reticulata Valid
L66.9 Cicatricial alopecia, unspecified Valid