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ICD-10-CM 2027

ICD-10 code for lower limb furuncle

L02.42

Furuncle of limb

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Furuncle › lower limb”. Page updated September 29, 2026.

About coding lower limb furuncle

The ICD-10-CM code for lower limb furuncle is L02.42 (Furuncle of limb).

Within L02.4 (cutaneous abscess, furuncle and carbuncle of limb), L02.42 is specifically for furuncle of limb. Related codes cover cutaneous abscess of limb (L02.41) and carbuncle of limb (L02.43).

To report this condition, pick the subcode that matches the documentation: L02.421 (axilla), L02.422 (axilla), L02.423 (limb), L02.424 (limb), L02.425 (limb), L02.426 (limb) and L02.429 (unspecified).

Use an additional code to identify organism (B95-B96).

Common questions about lower limb furuncle ICD-10 codes

What is the ICD-10 code for lower limb furuncle?

L02.42 — Furuncle of limb (a header code; report a more specific subcode).

Is L02.42 billable?

No. L02.42 is a header code. Report one of its more specific subcodes instead.