ICD-10 Code for Furuncle
The ICD-10-CM code for furuncle is L02.92 — Furuncle, unspecified. This is the code the Alphabetic Index gives for furuncle with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
L02.92 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which furuncle code should you use?
The Alphabetic Index lists 25 codes under Furuncle. 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 | L02.221 | Furuncle of abdominal wall | |
| anus | K61.0 | Anal abscess | |
| axilla | L02.42 | Furuncle of limb | not billable |
| back | L02.222 | Furuncle of back [any part, except buttock and flank] | |
| breast | N61.1 | Abscess of the breast and nipple | |
| buttock | L02.32 | Furuncle of buttock | |
| cheek | L02.02 | Furuncle of face | |
| chest wall | L02.223 | Furuncle of chest wall | |
| chin | L02.02 | Furuncle of face | |
| corpus cavernosum | N48.21 | Abscess of corpus cavernosum and penis | |
| face | L02.02 | Furuncle of face | |
| flank | L02.227 | Furuncle of flank | |
| foot | L02.62 | Furuncle of foot | not billable |
| forehead | L02.02 | Furuncle of face | |
| gluteal | L02.32 | Furuncle of buttock | |
| groin | L02.224 | Furuncle of groin | |
| hand | L02.52 | Furuncle hand | not billable |
| head | L02.821 | Furuncle of head [any part, except face] | |
| labium | N76.4 | Abscess of vulva | |
| lower limb | L02.42 | Furuncle of limb | not billable |
| malignant | A22.0 | Cutaneous anthrax | |
| mouth | K12.2 | Cellulitis and abscess of mouth | |
| navel | L02.226 | Furuncle of umbilicus | |
| neck | L02.12 | Furuncle of neck | |
| nose | J34.0 | Abscess, furuncle and carbuncle of nose | |
| partes posteriores | L02.32 | Furuncle of buttock | |
| pectoral region | L02.223 | Furuncle of chest wall | |
| penis | N48.21 | Abscess of corpus cavernosum and penis | |
| perineum | L02.225 | Furuncle of perineum | |
| scalp | L02.821 | Furuncle of head [any part, except face] | |
| seminal vesicle | N49.0 | Inflammatory disorders of seminal vesicle | |
| specified site NEC | L02.828 | Furuncle of other sites | |
| submandibular | K12.2 | Cellulitis and abscess of mouth | |
| temple | L02.02 | Furuncle of face | |
| trunk | L02.229 | Furuncle of trunk, unspecified | |
| umbilicus | L02.226 | Furuncle of umbilicus | |
| upper limb | L02.42 | Furuncle of limb | not billable |
| vulva | N76.4 | Abscess of vulva |
Furuncle head
| face | L02.02 | Furuncle of face |
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