| ICD-10 Code | Description |
| L66.0 | Pseudopelade |
| L66.10 | Lichen planopilaris, unspecified |
| L66.11 | Classic lichen planopilaris |
| L66.12 | Frontal fibrosing alopecia |
| L66.19 | Other lichen planopilaris |
| L66.2 | Folliculitis decalvans |
| L66.3 | Perifolliculitis capitis abscedens |
| L66.4 | Folliculitis ulerythematosa reticulata |
| L66.81 | Central centrifugal cicatricial alopecia |
| L66.89 | Other cicatricial alopecia |
| L66.9 | Cicatricial alopecia, unspecified |
