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L73.2 — Hidradenitis suppurativa
L73.2
What this code means
Hidradenitis suppurativa is a chronic condition of painful, recurring boils and tunnels in skin folds such as the armpits and groin.
Also called: hidradenitis suppurativa, hs.
When this code is used
Used for hidradenitis suppurativa.
Where it sits in ICD-10-CM
Code L73.2 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 symptoms
Related anatomy
Watch: related videos
Frequently asked questions
What is ICD-10-CM code L73.2?
L73.2 is the ICD-10-CM diagnosis code for “Hidradenitis suppurativa”. Hidradenitis suppurativa is a chronic condition of painful, recurring boils and tunnels in skin folds such as the armpits and groin.
When is code L73.2 used?
Used for hidradenitis suppurativa. 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.