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v1.0.0
ICD-10 Guide
DiagnosesAbd Mass

Abd Mass

ICD-10 Coding for Abdominal Mass(R19.00, R19.06)

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

Diagnosis Overview

What is Abd Mass?
Essential facts and insights about Abdominal Mass

Key Clinical Considerations:

  • Presence of a palpable, localized enlargement or swelling in the abdominal region
  • Patient reports of discomfort, pain, or changes in bowel movements

Clinical Information

Clinical Criteria & Documentation Requirements

  • Specific location of the abdominal mass must be documented
  • Size, consistency, and mobility of the mass should be recorded
  • Associated symptoms and findings, if any, must be documented

Coding Guidelines

Usage Guidelines & Examples

  • R19.00 is used for unspecified abdominal mass
  • R19.06 is used when the abdominal mass is localized

Code Exclusions

Important Exclusions

  • Neoplastic diseases of the abdomen (C76.2)
  • Congenital malformations of the abdomen (Q79.9)

Related ICD-10 Codes

Primary Codes
R19.00
Unspecified abdominal mass
R19.06
Localized abdominal mass
Ancillary Codes
Z85.0
K85.9
Differential Codes
C16.9
I71.4

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Surgery

Specialty Applications

  • Patients presenting with a palpable lump in the abdomen
  • Scenarios where an abdominal mass is discovered during a physical examination or imaging studies

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 a palpable mass in the [specific location], approximately [size] in diameter, [consistency] and [mobility].

Template 2

Abdominal mass discovered during examination/imaging, located at [specific location], with associated symptoms of [symptoms].

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 R19.00 and R19.06 be used interchangeably?

No, R19.00 is used when the location of the abdominal mass is not specified, while R19.06 is used when the mass is localized.

When should this code be used?

These codes should be used when a patient presents with a palpable lump in the abdomen or when an abdominal mass is discovered during a physical examination or imaging studies.