ICD-10 Code D18.01 – Hemangioma of skin and subcutaneous tissue (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code D18.01 – Hemangioma of skin and subcutaneous tissue
What it is
D18.01 identifies a benign vascular tumor in the skin or subcutaneous tissue. It is used when the lesion is documented as a hemangioma and not as a vascular malformation or another skin growth.
Clinical signs
Typical findings include a localized red, blue, or purple soft tissue lesion that may be raised or compressible. Clinical features vary; refer to documentation for size, depth, and whether it is congenital or acquired.
When to use this code
Use D18.01 when the provider documents hemangioma of the skin or subcutaneous tissue and the location is limited to those tissues. It fits office, dermatology, or procedural notes describing a confirmed hemangioma. If the record only says “vascular lesion,” check documentation before assigning this code.
Do not use for
Do not use this code for vascular malformations, pyogenic granuloma, or unspecified benign skin lesions. If the lesion site or diagnosis is unclear, check documentation.
Coding tip
Code D18.01 only when the hemangioma diagnosis and skin or subcutaneous location are clearly documented.