ICD-10 diagnosis code

L03 Cellulitis

L03 is the ICD-10 code for Cellulitis. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block L00–L08 (Infections of the skin and subcutaneous tissue) in Chapter XII, Diseases of the skin and subcutaneous tissue.

Code type: Category (3 characters)
Chapter: XII · L00–L99
Classification: WHO ICD-10, 2019 version

What L03 includes

Conditions and terms that are coded here.

acute lymphangitis

What L03 excludes

Conditions that look similar but belong under another code.

cellulitis of:
- anal and rectal regions K61.-
- external auditory canal H60.1
- external genital organs: female N76.4
- external genital organs: male N48.2, N49.-
- eyelid H00.0
- lacrimal apparatus H04.3
- mouth K12.2
- nose J34.0
eosinophilic cellulitis [Wells] L98.3
febrile neutrophilic dermatosis [Sweet] L98.2
lymphangitis (chronic)(subacute) I89.1

Subcodes of L03

L03 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

L03Cellulit (inflammation i underhudens bindväv)

DenmarkICD-10-DK

DL03Flegmone

FinlandICD-10-FI

L03Selluliitti

GermanyICD-10-GM

L03Phlegmone

FranceICD-10-FR

L03Phlegmon

NetherlandsICD-10-NL

L03cellulitis

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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