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ICD10BillableValid for clinical use

ICD-10 Code L03.124: Acute lymphangitis of left upper limb

L03.124 is a billable ICD-10 diagnosis code used to classify Acute lymphangitis of left upper limb 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).

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 acute lymphangitis of left upper limb 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
L03.1Cellulitis and acute lymphangitis of other parts of limb
category
L03.12Acute lymphangitis of other parts of limb
currentL03.12

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

Acute lymphangitis of left upper limb

Frequently asked questions

Code details

CodeL03.124
SystemICD10
Display nameAcute lymphangitis of left upper limb
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

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.