L03
Non-billableCellulitis and acute lymphangitis
Cellulitis and acute lymphangitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •lipomelanotic reticulosisI89.8
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •viral wartsB07
- •hordeolumH00.0
- •infective dermatitisL30.3
- local infections of skin classified in Chapter 1
- •lupus panniculitisL93.2
- •panniculitis NOSM79.3
- •panniculitis of neck and backM54.0
- •Perlèche NOSK13.0
- •Perlèche due to candidiasisB37.0
- •Perlèche due to riboflavin deficiencyE53.0
- •pyogenic granulomaL98.0
- •relapsing panniculitis [Weber-Christian]M35.6
- •zosterB02
- •cellulitis of anal and rectal regionK61
- •cellulitis of external auditory canalH60.1
- •cellulitis of eyelidH00.0
- •cellulitis of female external genital organsN76.4
- •cellulitis of lacrimal apparatusH04.3
- •cellulitis of male external genital organs,N48.2, N49
- •cellulitis of mouthK12.2
- •cellulitis of noseJ34.0
- •eosinophilic cellulitis [Wells]L98.3
- •febrile neutrophilic dermatosis [Sweet]L98.2
- •lymphangitis (chronic) (subacute)I89.1
Use Additional Code
Additional codes that should follow this code
Child Codes (6)
L03.0Cellulitis and acute lymphangitis of finger and toe
L03.1Cellulitis and acute lymphangitis of other parts of limb
L03.2Cellulitis and acute lymphangitis of face and neck
L03.3Cellulitis and acute lymphangitis of trunk
L03.8Cellulitis and acute lymphangitis of other sites
L03.9Cellulitis and acute lymphangitis, unspecified
Related Conditions
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
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Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for cellulitis and acute lymphangitis?
The ICD-10-CM code for cellulitis and acute lymphangitis is L03. The full clinical description is "Cellulitis and acute lymphangitis". L03 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code L03 mean?
ICD-10-CM code L03 represents “Cellulitis and acute lymphangitis”. It is classified under Chapter 12: Diseases of the Skin and Subcutaneous Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is L03 a billable code?
No, L03 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under L03.
What chapter is L03 in?
L03 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What are the subcategories under L03?
L03 has 6 child codes, including: L03.0 (Cellulitis and acute lymphangitis of finger and toe), L03.1 (Cellulitis and acute lymphangitis of other parts of limb), L03.2 (Cellulitis and acute lymphangitis of face and neck), L03.3 (Cellulitis and acute lymphangitis of trunk), and 2 more.
Are additional codes required with L03?
Yes, when using L03, also report: code (B95-B97) to identify infectious agent..
What are the UMLS CUIs for L03?
L03 is linked to 1 UMLS Concept Unique Identifier: C2888134. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L03 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like cellulitis and acute lymphangitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of L03?
L03 maps to the ICD-11 code: 1B70.Z (Bacterial cellulitis or lymphangitis due to unspecified bacterium).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.