L66.2Billable
Folliculitis decalvans
- Chapter
- 12. Diseases of the skin and subcutaneous tissue
- Category
- L66
- Effective date
- October 1, 2026
Related codes in category L66
L66Cicatricial alopecia [scarring hair loss]L66.0PseudopeladeYesL66.1Lichen planopilarisL66.10Lichen planopilaris, unspecifiedYesL66.11Classic lichen planopilarisYesL66.12Frontal fibrosing alopeciaYesL66.19Other lichen planopilarisYesL66.3Perifolliculitis capitis abscedensYesL66.4Folliculitis ulerythematosa reticulataYesL66.8Other cicatricial alopeciaL66.81Central centrifugal cicatricial alopeciaYesL66.89Other cicatricial alopeciaYes
Frequently asked questions
What is ICD-10 code L66.2?
L66.2 is an ICD-10-CM diagnosis code for Folliculitis decalvans.
Is L66.2 a billable code?
Yes. L66.2 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is L66.2 in?
L66.2 falls under Chapter 12: Diseases of the skin and subcutaneous tissue.
When did L66.2 become effective?
L66.2 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to L66.2?
L66.2 belongs to category L66, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.