AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2024 Issue 4; New/Revised ICD-10-CM Codes
Alopecia—Lichen Planopilaris, Frontal Fibrosing, and Central Centrifugal Cicatricial
New codes were created at category L66, Cicatricial alopecia [scarring hair loss], to identify types of lichen planopilaris (LPP) and to specify central centrifugal cicatricial alopecia (CCCA). The codes are as follows: L66.10, Lichen planopilaris, unspecified L66.11, Classic lichen planopilaris L66.12, Frontal fibrosing alopecia L66.19, Other lichen planopilaris L66.81, Central centrifugal cicatricial alopecia L66.89, Other cicatricial alopecia Frontal fibrosing alopecia (FFA) is a subtype of LPP, which includes two other subtypes, classic LPP and Graham Little syndrome (GLS). Although all three subtypes share histological features, FFA is a...
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Article Overview
This article explains updates in the cicatricial alopecia category and provides a clinical overview of lichen planopilaris subtypes, frontal fibrosing alopecia, and central centrifugal cicatricial alopecia. It is relevant to coders, dermatology practices, and other professionals who need to understand how these hair-loss conditions are grouped and discussed in coding guidance. The article also covers broad clinical features and general treatment approaches associated with these conditions.
Why This Topic Matters
Accurate identification of cicatricial alopecia subtypes supports more precise documentation and code selection in dermatology and related specialties. The article helps readers understand how newly distinguished categories relate to clinical presentation and terminology.
What You Will Learn
- How cicatricial alopecia is categorized in the article
- How major subtypes of lichen planopilaris are distinguished at a high level
- What central centrifugal cicatricial alopecia is and why it is clinically notable
- What general clinical features and management approaches are associated with these hair-loss conditions
Who Should Read This
- Medical coders
- Coding auditors
- Dermatology providers
- Clinical documentation staff
- Revenue cycle professionals
Codes Discussed
Code Ranges Discussed
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