ICD-10-CM > L00-L99 > L00-L08 > L02 > L02.4 > L02.43 L02.43 Carbuncle of limb Non-Billable/Non-Specific Codes L02.431Carbuncle of right axillaL02.432Carbuncle of left axillaL02.433Carbuncle of right upper limbL02.434Carbuncle of left upper limbL02.435Carbuncle of right lower limbL02.436Carbuncle of left lower limbL02.439Carbuncle of limb, unspecified