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D17.9 — Benign lipomatous neoplasm, unspecified
D17.9
What this code means
A lipoma is a benign, soft fatty lump that grows slowly under the skin.
Also called: lipoma, fatty lump.
When this code is used
Used for a benign lipomatous neoplasm when the site is not specified.
Where it sits in ICD-10-CM
Code D17.9 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 anatomy
Watch: related videos
Frequently asked questions
What is ICD-10-CM code D17.9?
D17.9 is the ICD-10-CM diagnosis code for “Benign lipomatous neoplasm, unspecified”. A lipoma is a benign, soft fatty lump that grows slowly under the skin.
When is code D17.9 used?
Used for a benign lipomatous neoplasm 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.