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D22.9 — Melanocytic nevi, unspecified
D22.9
What this code means
Melanocytic naevi are ordinary moles: benign clusters of pigment cells in the skin.
Also called: moles, melanocytic nevi, naevi.
When this code is used
Used for melanocytic naevi when the site is not specified.
Where it sits in ICD-10-CM
Code D22.9 belongs to Chapter 2: Neoplasms, which covers codes C00–D49 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Related anatomy
Watch: related videos
Frequently asked questions
What is ICD-10-CM code D22.9?
D22.9 is the ICD-10-CM diagnosis code for “Melanocytic nevi, unspecified”. Melanocytic naevi are ordinary moles: benign clusters of pigment cells in the skin.
When is code D22.9 used?
Used for melanocytic naevi when the site is not specified. It belongs to Chapter 2 of ICD-10-CM (Neoplasms).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.