Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes L00-L99 – Diseases of the skin and subcutaneous tissue (L00-L99) > 2024 ICD-10-CM Codes L80-L99 – Other disorders of the skin and subcutaneous tissue (L80-L99) > 2024 ICD-10-CM Codes L91 – Hypertrophic disorders of skin (L91)