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ICD-10-CM 2027

ICD-10 code for lower limb carbuncle

L02.43

Carbuncle of limb

Header — needs a more specific code

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

About coding lower limb carbuncle

The ICD-10-CM code for lower limb carbuncle is L02.43 (Carbuncle of limb).

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

To report this condition, pick the subcode that matches the documentation: L02.431 (axilla), L02.432 (axilla), L02.433 (limb), L02.434 (limb), L02.435 (limb), L02.436 (limb) and L02.439 (unspecified).

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

Common questions about lower limb carbuncle ICD-10 codes

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

L02.43 — Carbuncle of limb (a header code; report a more specific subcode).

Is L02.43 billable?

No. L02.43 is a header code. Report one of its more specific subcodes instead.