ICD-10-CM>L00-L99>L60-L75>L66L66Cicatricial alopecia [scarring hair loss]Non-Billable/Non-SpecificCodesL66.0PseudopeladeL66.1Lichen planopilarisL66.10Lichen planopilaris, unspecifiedL66.11Classic lichen planopilarisL66.12Frontal fibrosing alopeciaL66.19Other lichen planopilarisL66.2Folliculitis decalvansL66.3Perifolliculitis capitis abscedensL66.4Folliculitis ulerythematosa reticulataL66.8Other cicatricial alopeciaL66.81Central centrifugal cicatricial alopeciaL66.89Other cicatricial alopeciaL66.9Cicatricial alopecia, unspecified