All ICD10 Codes

L03

Non-Billable
ChapterL00–L99
Rankcategory
Official Description

Cellulitis and acute lymphangitis

Use a more specific code (0 billable, 6 non-billable)
L03.0Cellulitis and acute lymphangitis of finger and toehas subcodesL03.1Cellulitis and acute lymphangitis of other parts of limbhas subcodesL03.2Cellulitis and acute lymphangitis of face and neckhas subcodesL03.3Cellulitis and acute lymphangitis of trunkhas subcodesL03.8Cellulitis and acute lymphangitis of other siteshas subcodesL03.9Cellulitis and acute lymphangitis, unspecifiedhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 12: Diseases of the Skin and Subcutaneous Tissue (L00-L99).

CH12 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

L00-L08 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • hordeolum (H00.0)
  • infective dermatitis (L30.3)
  • local infections of skin classified in Chapter 1
  • lupus panniculitis (L93.2)
  • panniculitis NOS (M79.3)
  • panniculitis of neck and back (M54.0-)
  • Perlèche NOS (K13.0)
  • Perlèche due to candidiasis (B37.0)
  • Perlèche due to riboflavin deficiency (E53.0)
  • pyogenic granuloma (L98.0)
  • relapsing panniculitis [Weber-Christian] (M35.6)
  • viral warts (B07.-)
  • zoster (B02.-)
Use Additional Code
  • code (B95-B97) to identify infectious agent.

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • 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)

Clinical Hierarchy

BillableHas subcodes
CH12Diseases of the skin and subcutaneous tissue (L00-L99)
L00-L08Infections of the skin and subcutaneous tissue (L00-L08)
L03Cellulitis and acute lymphangitisNot billable
L03.0Cellulitis and acute lymphangitis of finger and toeSubcodes
L03.1Cellulitis and acute lymphangitis of other parts of limbSubcodes
L03.2Cellulitis and acute lymphangitis of face and neckSubcodes
L03.3Cellulitis and acute lymphangitis of trunkSubcodes
L03.8Cellulitis and acute lymphangitis of other sitesSubcodes
L03.9Cellulitis and acute lymphangitis, unspecifiedSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to L03:

blockL00-L08
Infections of the skin and subcutaneous tissue (L00-L08)
View context instructions
chapterCH12
Diseases of the skin and subcutaneous tissue (L00-L99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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