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v1.0.0
ICD-10 Guide
DiagnosesAbdomen Cellulitis

Abdomen Cellulitis

ICD-10 Coding for Abdominal Cellulitis(L03.311, K94.12)

PRIMARY SPECIALTYSurgery
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Abdomen Cellulitis?
Essential facts and insights about Abdominal Cellulitis

Key Clinical Considerations:

  • Presence of redness, swelling, and warmth in the abdominal area
  • Pain or tenderness in the abdomen
  • Fever or chills
  • Possible drainage or pus from the infected area

Clinical Information

Clinical Criteria & Documentation Requirements

  • Detailed description of the patient's symptoms and physical examination findings
  • Results of any relevant laboratory or imaging studies
  • Response to any treatments provided
  • Specific location of the cellulitis on the abdomen

Coding Guidelines

Usage Guidelines & Examples

  • L03.311 is used for cellulitis of the abdominal wall, not for cellulitis located elsewhere
  • K94.12 is used when the cellulitis is a postprocedural complication, such as after surgery

Code Exclusions

Important Exclusions

  • Cellulitis of other parts of the body
  • Abdominal abscess

Related ICD-10 Codes

Primary Codes
L03.311
Cellulitis of abdominal wall
K94.12
Postprocedural abdominal wall cellulitis
Ancillary Codes
K94.12
Differential Codes
L02.211

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Surgery

Specialty Applications

  • Cellulitis of the abdominal wall
  • Postoperative or postprocedural cellulitis of the abdomen

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Patient presents with redness, swelling, and tenderness in the abdominal area, consistent with cellulitis.

Template 2

Abdominal cellulitis confirmed via physical examination and laboratory results.

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Can this code be used for cellulitis of the groin?

No, cellulitis of the groin has a separate code (L03.319).

When should this code be used?

This code should be used when the patient has cellulitis specifically located on the abdominal wall.