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

Complete ICD-10-CM coding and documentation guide for Mass on Liver. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Liver LesionHepatic MassLiver Tumor

Related ICD-10 Code Ranges

Complete code families applicable to Mass on Liver

C22-C22.9Primary Range

Malignant neoplasms of liver and intrahepatic bile ducts

This range includes primary liver cancers such as hepatocellular carcinoma.

Benign neoplasm of liver

This code is used for benign liver tumors confirmed by biopsy.

Neoplasm of uncertain behavior of liver

Used when the behavior of the liver mass is indeterminate.

Abnormal findings on diagnostic imaging of liver

Used for abnormal imaging findings when no definitive diagnosis is made.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
C22.0Liver cell carcinomaUse when hepatocellular carcinoma is confirmed by biopsy or imaging.
  • Biopsy confirming hepatocellular carcinoma
  • AFP > 200 ng/mL with LI-RADS 5 imaging
D13.4Benign neoplasm of liverUse when a liver mass is confirmed as benign by biopsy.
  • Biopsy confirming benign nature
  • Imaging consistent with benign features

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for liver mass

Essential facts and insights about Mass on Liver

The ICD-10 code for a liver mass varies: C22.0 for hepatocellular carcinoma, D13.4 for benign neoplasm, and R93.2 for abnormal imaging findings.

Primary ICD-10-CM Codes for mass on liver

Liver cell carcinoma
Billable Code

Decision Criteria

clinical Criteria

  • Confirmed HCC via biopsy or imaging

documentation Criteria

  • Detailed imaging and biopsy reports

Applicable To

  • Hepatocellular carcinoma

Excludes

  • Secondary liver cancer (C78.7)

Clinical Validation Requirements

  • Biopsy confirming hepatocellular carcinoma
  • AFP > 200 ng/mL with LI-RADS 5 imaging

Code-Specific Risks

  • Incorrectly coding as unspecified liver cancer (C22.9)

Coding Notes

  • Ensure documentation specifies HCC to avoid unspecified coding.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Abnormal findings on diagnostic imaging of liver

R93.2
Use when imaging shows abnormal findings without a definitive diagnosis.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Malignant neoplasm of liver, unspecified

C22.9
Use C22.0 if HCC is confirmed; C22.9 is for unspecified cases.

Liver cell carcinoma

C22.0
Use D13.4 for benign; C22.0 for confirmed HCC.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Mass on Liver to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code C22.0.

Impact

Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims or incorrect reimbursement.

Mitigation Strategy

Use specific terminology, Include all relevant diagnostic details

Impact

Reimbursement: Incorrect DRG assignment leading to reimbursement issues., Compliance: Non-compliance with coding guidelines., Data Quality: Impacts accuracy of cancer registry data.

Mitigation Strategy

Use C22.0 for confirmed HCC cases.

Impact

High risk of audit if C22.9 is used without justification.

Mitigation Strategy

Ensure documentation supports specific coding.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Mass on Liver, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Mass on Liver

Use these documentation templates to ensure complete and accurate documentation for Mass on Liver. These templates include all required elements for proper coding and billing.

Documenting a confirmed HCC case

Specialty: Hepatology

Required Elements

  • Biopsy results
  • Imaging findings
  • AFP levels

Example Documentation

Patient presents with 4 cm arterial hyperenhancing liver lesion. Biopsy confirms moderately differentiated HCC. AFP 650 ng/mL.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Liver mass seen on CT.
Good Documentation Example
3.5 cm arterial hyperenhancing lesion in segment VI with delayed washout and pseudocapsule, LI-RADS 5, consistent with HCC.
Explanation
The good example provides detailed imaging characteristics and a specific diagnosis.

Need help with ICD-10 coding for Mass on Liver? Ask your questions below.

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