FY2027
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ICD-10 Code for Cellulitis

Also indexed as (diffuse) (phlegmonous) (septic) (suppurative)

The ICD-10-CM code for cellulitis is L03.90 — Cellulitis, unspecified. This is the code the Alphabetic Index gives for cellulitis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

BillableUnspecified

L03.90 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.

Which cellulitis code should you use?

The Alphabetic Index lists 51 codes under Cellulitis. 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 wallL03.311Cellulitis of abdominal wall
anaerobicA48.0Gas gangrene
anusK61.0Anal abscess
axillaL03.11Not billableCellulitis of other parts of limb
backL03.312Cellulitis of back [any part except buttock and flank]
breastN61.0Mastitis without abscess
buttockL03.317Cellulitis of buttock
cervicalL03.221Cellulitis of neck
cheekL03.211Cellulitis of face
chest wallL03.313Cellulitis of chest wall
chronicL03.90Cellulitis, unspecified
clostridialA48.0Gas gangrene
corpus cavernosumN48.22Cellulitis of corpus cavernosum and penis
drainage siteT81.49Not billableInfection following a procedure, other surgical site
earH60.1Not billableCellulitis of external ear
eosinophilicL98.3Eosinophilic cellulitis [Wells]
face NECL03.211Cellulitis of face
fingerL03.01Not billableCellulitis of finger
flankL03.31ACellulitis of flank
glutealL03.317Cellulitis of buttock
gonococcalA54.89Other gonococcal infections
groinL03.314Cellulitis of groin
head NECL03.811Cellulitis of head [any part, except face]
jawL03.211Cellulitis of face
larynxJ38.7Other diseases of larynx
lipK13.0Diseases of lips
lower limbL03.11Not billableCellulitis of other parts of limb
mouthK12.2Cellulitis and abscess of mouth
multiple sites, so statedL03.90Cellulitis, unspecified
nasopharynxJ39.1Other abscess of pharynx
navelL03.316Cellulitis of umbilicus
neckL03.221Cellulitis of neck
nippleN61.0Mastitis without abscess
noseJ34.0Abscess, furuncle and carbuncle of nose
orbit, orbitalH05.01Not billableCellulitis of orbit
palateK12.2Cellulitis and abscess of mouth
pectoralL03.313Cellulitis of chest wall
penisN48.22Cellulitis of corpus cavernosum and penis
perineal, perineumL03.315Cellulitis of perineum
periorbitalL03.213Periorbital cellulitis
perirectalK61.1Rectal abscess
peritonsillarJ36Peritonsillar abscess
periurethralN34.0Urethral abscess
periuterineN73.2Unspecified parametritis and pelvic cellulitis
pharynxJ39.1Other abscess of pharynx
preseptalL03.213Periorbital cellulitis
rectumK61.1Rectal abscess
retroperitonealK68.9Other disorders of retroperitoneum
scalpL03.811Cellulitis of head [any part, except face]
scrotumN49.2Inflammatory disorders of scrotum
seminal vesicleN49.0Inflammatory disorders of seminal vesicle
specified site NECL03.818Cellulitis of other sites
submandibularK12.2Cellulitis and abscess of mouth
submaxillaryK12.2Cellulitis and abscess of mouth
toeL03.03Not billableCellulitis of toe
tonsilJ36Peritonsillar abscess
trunkL03.319Cellulitis of trunk, unspecified
tuberculousA18.4Tuberculosis of skin and subcutaneous tissue
umbilicusL03.316Cellulitis of umbilicus
upper limbL03.11Not billableCellulitis of other parts of limb
vaccinalT88.0Not billableInfection following immunization
vocal cordJ38.3Other diseases of vocal cords

Cellulitis breast

nippleN61.0Mastitis without abscess

Cellulitis broad ligament

acuteN73.0Acute parametritis and pelvic cellulitis

Cellulitis cheek

internalK12.2Cellulitis and abscess of mouth

Cellulitis Douglas' cul-de-sac or pouch

acuteN73.0Acute parametritis and pelvic cellulitis

Cellulitis genital organ NEC

femaleN76.4Abscess of vulva
maleN49.9Inflammatory disorder of unspecified male genital organ
male › multiple sitesN49.8Inflammatory disorders of other specified male genital organs
male › specified NECN49.8Inflammatory disorders of other specified male genital organs

Cellulitis head NEC

faceL03.211Cellulitis of face

Cellulitis navel

newbornP38.9Omphalitis without hemorrhage
newborn › with mild hemorrhageP38.1Omphalitis with mild hemorrhage
newborn › without hemorrhageP38.9Omphalitis without hemorrhage

Cellulitis pelvis, pelvic

femaleN73.2Unspecified parametritis and pelvic cellulitis
following ectopic or molar pregnancyO08.0Genital tract and pelvic infection following ectopic and molar pregnancy
maleK65.0Generalized (acute) peritonitis
female › acuteN73.0Acute parametritis and pelvic cellulitis

Cellulitis periuterine

acuteN73.0Acute parametritis and pelvic cellulitis

Cellulitis round ligament

acuteN73.0Acute parametritis and pelvic cellulitis

Cellulitis submandibular

glandK11.3Abscess of salivary gland

Cellulitis submaxillary

glandK11.3Abscess of salivary gland

Cellulitis trunk

abdominal wallL03.311Cellulitis of abdominal wall
backL03.312Cellulitis of back [any part except buttock and flank]
buttockL03.317Cellulitis of buttock
chest wallL03.313Cellulitis of chest wall
groinL03.314Cellulitis of groin
perineal, perineumL03.315Cellulitis of perineum
umbilicusL03.316Cellulitis of umbilicus

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