ICD-10-CM 2027
ICD-10 code for upper limb carbuncle
From the official ICD-10-CM alphabetic index entry “Carbuncle › upper limb”. Page updated September 29, 2026.
About coding upper limb carbuncle
The ICD-10-CM code for upper 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).