ICD-10 Guide

Mass On Liver

ICD-10 Coding for Mass on Liver(C22.0, D13.4)

PRIMARY SPECIALTYHepatology

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Mass On Liver?

Essential facts and insights about Mass on Liver

Key Clinical Considerations:

Abdominal pain or discomfort
Unexplained weight loss
Elevated liver enzymes (ALT, AST)
Imaging findings (ultrasound, CT, MRI) showing mass
Jaundice or changes in stool/urine color

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history including risk factors (e.g., alcohol use, viral hepatitis)
Imaging reports detailing size and characteristics of the mass
Laboratory results indicating liver function tests
Physical exam notes on abdominal tenderness or hepatomegaly

Coding Guidelines

Usage Guidelines & Examples

Follow usage guidelines for specific liver masses versus generalized liver conditions.
Common errors include misclassifying benign masses as malignant.

Code Exclusions

Important Exclusions

Conditions such as liver cirrhosis or fatty liver disease that do not present as a mass.
Alternative codes for liver lesions that are not classified as masses.

Specialty Focus

Primary Specialty

Hepatology

Specialty Applications

Patients with liver disease, suspected tumors, or abnormal imaging findings.
Clinical settings such as outpatient hepatology clinics and inpatient hospital units.

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

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

What are the documentation requirements?

Include patient history, imaging results, and lab tests.

What are the billing considerations?

Ensure accurate coding based on imaging and pathology results.

Mass On Liver

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What are the documentation requirements?

What are the billing considerations?

Mass On Liver

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What are the documentation requirements?

What are the billing considerations?