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L03

⚠ Non-billable (Header)

Cellulitis and acute lymphangitis

Diseases of the skin and subcutaneous tissue (L00-L99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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⚠️ Excludes2

direct

May be coded together if both conditions coexist

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

Child Codes (6)

L03.0Cellulitis and acute lymphangitis of finger and toeL03.1Cellulitis and acute lymphangitis of other parts of limbL03.2Cellulitis and acute lymphangitis of face and neckL03.3Cellulitis and acute lymphangitis of trunkL03.8Cellulitis and acute lymphangitis of other sitesL03.9Cellulitis and acute lymphangitis, unspecified

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Code Information

CodeL03
BillableNo — Header code
CategoryDiseases of the skin and subcutaneous tissue (L00-L99)
Excludes10 rule(s)
Excludes211 note(s)
Child codes6

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)