ICD-10-CM Code For Cicatricial Alopecia Scarring Hair Loss: Group Overview
The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group L66 includes inflammatory and scarring disorders of the scalp that result in permanent destruction of hair follicles, such as primary cicatricial alopecias and related conditions. These ICD-10-CM diagnosis codes are used to document clinical presentations of scarring hair loss, capturing disease severity, pattern of follicular destruction, and any associated scalp inflammation or secondary complications. Accurate coding within the ICD-10-CM L66 group supports proper claim adjudication and complete clinical documentation and appropriate reimbursement.
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ICD-10-CM L66: Cicatricial Alopecia [Scarring Hair Loss] Overview
The ICD-10-CM L66 code group covers cicatricial alopecia, a set of inflammatory scalp disorders that cause permanent hair follicle destruction and scarring. These conditions affect the skin appendages, primarily hair follicles, and can result in irreversible hair loss. Accurate coding ensures the clinical course and severity are documented and supports appropriate reimbursement for dermatologic care.