ICD10BillableValid for clinical use

ICD-10 Code L03.319: Cellulitis of trunk, unspecified

L03.319 is a billable ICD-10 diagnosis code used to classify Cellulitis of trunk, unspecified in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).

When is it used?

  • May be used when a clinician documents cellulitis of trunk, unspecified in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
12Diseases of the skin and subcutaneous tissue (L00-L99)
block
L00-L08Infections of the skin and subcutaneous tissue
category
L03Cellulitis and acute lymphangitis
category
L03.3Cellulitis and acute lymphangitis of trunk
category
L03.31Cellulitis of trunk
currentL03.31

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Dermatologist

Coding guidelines

Common synonyms

Cellulitis of trunk, unspecifiedCellulitis of trunk

Frequently asked questions

Code details

CodeL03.319
SystemICD10
Display nameCellulitis of trunk, unspecified
ChapterDiseases of the skin and subcutaneous tissue (L00-L99)
BlockInfections of the skin and subcutaneous tissue

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Cellulitis(diffuse) (phlegmonous) (septic) (suppurative)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code L03.319 for Cellulitis of trunk, unspecified | HealthAssure