ICD10Check
CheckerBrowseOpen

L03.31

⚠ Non-billable (Header)

Cellulitis of trunk

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

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

Check This Code

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • cellulitis of anal and rectal regions (K61.-)
  • • cellulitis of breast NOS (N61.0)
  • • cellulitis of female external genital organs (N76.4)
  • • cellulitis of male external genital organs (N48.2, N49.-)
  • • omphalitis of newborn (P38.-)
  • • puerperal cellulitis of breast (O91.2)

Child Codes (9)

L03.311Cellulitis of abdominal wallL03.312Cellulitis of back [any part except buttock]L03.313Cellulitis of chest wallL03.314Cellulitis of groinL03.315Cellulitis of perineumL03.316Cellulitis of umbilicusL03.317Cellulitis of buttockL03.319Cellulitis of trunk, unspecifiedL03.31ACellulitis of flank

🧪 Validate Combinations

Add L03.31 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeL03.31
BillableNo — Header code
ParentL03.3
CategoryDiseases of the skin and subcutaneous tissue (L00-L99)
Excludes10 rule(s)
Excludes26 note(s)
Child codes9

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)