ICD-10 Code D22.9 – Melanocytic Nevi, Unspecified (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code D22.9 – Melanocytic nevi, unspecified
What it is
This code identifies a melanocytic nevus, or mole, when the record does not specify the site or type. Use it for a benign pigmented skin lesion documented as unspecified.
Clinical signs
Typical findings include a well-circumscribed pigmented macule, papule, or small raised lesion. Clinical features vary; refer to documentation and avoid assuming atypia or malignancy.
When to use this code
Use D22.9 when the provider documents a melanocytic nevus but does not identify a specific anatomic site. It also fits when the note says “mole” or “nevus” without further detail. If the lesion is described as congenital, atypical, or located at a specific site, check documentation for a more precise code.
Do not use for
Do not use this code for malignant melanoma, dysplastic nevus syndrome, or nonmelanocytic skin lesions. Check documentation if the lesion is inflamed, changing, or otherwise suspicious.
Coding tip
Query the provider when the site or lesion type is documented elsewhere, because a more specific D22 code may be available.