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L02.91 — Cutaneous abscess, unspecified
L02.91
What this code means
A cutaneous abscess is a pocket of pus under the skin causing a painful, swollen lump; the site is not specified here.
Also called: skin abscess, cutaneous abscess, boil.
When this code is used
Used for cutaneous abscess, unspecified.
Where it sits in ICD-10-CM
Code L02.91 belongs to Chapter 12: Diseases of the skin and subcutaneous tissue, which covers codes L00–L99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related anatomy
Frequently asked questions
What is ICD-10-CM code L02.91?
L02.91 is the ICD-10-CM diagnosis code for “Cutaneous abscess, unspecified”. A cutaneous abscess is a pocket of pus under the skin causing a painful, swollen lump; the site is not specified here.
When is code L02.91 used?
Used for cutaneous abscess, unspecified. It belongs to Chapter 12 of ICD-10-CM (Diseases of the skin and subcutaneous tissue).
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.