ICD-10 Code for Carbuncle
The ICD-10-CM code for carbuncle is L02.93 — Carbuncle, unspecified. This is the code the Alphabetic Index gives for carbuncle with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
L02.93 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which carbuncle code should you use?
The Alphabetic Index lists 25 codes under Carbuncle. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| abdominal wall | L02.231 | Carbuncle of abdominal wall | |
| anus | K61.0 | Anal abscess | |
| axilla | L02.43 | Carbuncle of limb | not billable |
| back | L02.232 | Carbuncle of back [any part, except buttock and flank] | |
| breast | N61.1 | Abscess of the breast and nipple | |
| buttock | L02.33 | Carbuncle of buttock | |
| cheek | L02.03 | Carbuncle of face | |
| chest wall | L02.233 | Carbuncle of chest wall | |
| chin | L02.03 | Carbuncle of face | |
| corpus cavernosum | N48.21 | Abscess of corpus cavernosum and penis | |
| face NEC | L02.03 | Carbuncle of face | |
| flank | L02.237 | Carbuncle of flank | |
| foot | L02.63 | Carbuncle of foot | not billable |
| forehead | L02.03 | Carbuncle of face | |
| gluteal | L02.33 | Carbuncle of buttock | |
| groin | L02.234 | Carbuncle of groin | |
| hand | L02.53 | Carbuncle of hand | not billable |
| head NEC | L02.831 | Carbuncle of head [any part, except face] | |
| labium | N76.4 | Abscess of vulva | |
| lower limb | L02.43 | Carbuncle of limb | not billable |
| malignant | A22.0 | Cutaneous anthrax | |
| navel | L02.236 | Carbuncle of umbilicus | |
| neck | L02.13 | Carbuncle of neck | |
| nose | J34.0 | Abscess, furuncle and carbuncle of nose | |
| partes posteriores | L02.33 | Carbuncle of buttock | |
| pectoral region | L02.233 | Carbuncle of chest wall | |
| penis | N48.21 | Abscess of corpus cavernosum and penis | |
| perineum | L02.235 | Carbuncle of perineum | |
| scalp | L02.831 | Carbuncle of head [any part, except face] | |
| seminal vesicle | N49.0 | Inflammatory disorders of seminal vesicle | |
| specified site NEC | L02.838 | Carbuncle of other sites | |
| temple | L02.03 | Carbuncle of face | |
| trunk | L02.239 | Carbuncle of trunk, unspecified | |
| umbilicus | L02.236 | Carbuncle of umbilicus | |
| upper limb | L02.43 | Carbuncle of limb | not billable |
| urethra | N34.0 | Urethral abscess | |
| vulva | N76.4 | Abscess of vulva |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources