L66 CICATRICIAL ALOPECIA [SCARRING HAIR LOSS]

Code Information

• Diagnosis Code: L66
• Short Description: Cicatricial alopecia [scarring hair loss]
• Long Description: Cicatricial alopecia [scarring hair loss]
• Code Version: 2025 ICD-10-CM

The code L66 is NOT VALID for claim submission

Code Classification

• Diseases of the skin and subcutaneous tissue (L00–L99)
  • Disorders of skin appendages (L60-L75)
    • Cicatricial alopecia [scarring hair loss] (L66)