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ICD-10 Coding for Elevated Liver Function Tests(R74.01, R74.02)

Complete ICD-10-CM coding and documentation guide for Elevated Liver Function Tests. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Elevated LFTsAbnormal Liver EnzymesIncreased Liver Function TestsElevated Transaminaseslft elevationabnormal liver function studies

Related ICD-10 Code Ranges

Complete code families applicable to Elevated Liver Function Tests

R70-R79Primary Range

Abnormal findings on examination of blood, without diagnosis

This range includes codes for abnormal liver function tests, such as elevated liver enzymes.

Diseases of liver

This range includes specific liver diseases that may be associated with elevated liver function tests.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
R74.01Elevated liver transaminasesUse when ALT and AST are elevated without a specific liver disease diagnosis.
  • ALT >40 U/L and AST >40 U/L
  • No confirmed liver diagnosis
R74.02Elevated LDHUse when LDH is elevated and confirmed to be of hepatic origin.
  • LDH >250 U/L
  • No hemolytic process documented

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 elevated liver function tests

Essential facts and insights about Elevated Liver Function Tests

The ICD-10 code for elevated liver function tests, specifically elevated liver transaminases, is R74.01. Use this code when ALT and AST levels are elevated without a specific liver disease diagnosis.

Primary ICD-10-CM Codes for elevated lfts

Elevated liver transaminases
Billable Code

Decision Criteria

clinical Criteria

  • ALT and AST levels are elevated without a specific diagnosis.

Applicable To

  • Elevated ALT
  • Elevated AST

Excludes

Clinical Validation Requirements

  • ALT >40 U/L and AST >40 U/L
  • No confirmed liver diagnosis

Code-Specific Risks

  • Coding from lab results without physician documentation.

Coding Notes

  • Ensure documentation specifies 'elevated transaminases' rather than a specific liver disease.

Ancillary Codes

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

Abnormal liver function studies

R94.5
Use when abnormal imaging or other studies accompany enzyme elevation.

Differential Codes

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

Liver disorder, unspecified

K76.9
Use K76.9 when a specific liver disorder is diagnosed.

Elevated liver transaminases

R74.01
Use R74.01 for elevated ALT/AST without LDH elevation.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Elevated Liver Function Tests to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code R74.01.

Impact

Clinical: Misrepresentation of patient condition., Regulatory: Potential audit issues., Financial: Claim denials due to improper coding.

Mitigation Strategy

Verify physician documentation before coding., Educate staff on coding requirements.

Impact

Reimbursement: May lead to denied claims if not properly documented., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Require physician documentation stating 'elevated LFTs'.

Impact

Risk of coding elevated LFTs without physician documentation.

Mitigation Strategy

Require physician notes before 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 Elevated Liver Function Tests, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Elevated Liver Function Tests

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

Gastroenterology consultation for elevated LFTs

Specialty: Gastroenterology

Required Elements

  • Patient history
  • Lab results
  • Imaging findings
  • Assessment and plan

Example Documentation

Patient presents with elevated ALT/AST. Labs: ALT 78 U/L, AST 82 U/L. Imaging: US shows hepatomegaly. Assessment: Persistent transaminitis of unknown etiology.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Liver enzymes up.
Good Documentation Example
Persistent elevation of ALT (62 U/L) and AST (58 U/L) of unclear etiology.
Explanation
The good example provides specific enzyme levels and context.

Need help with ICD-10 coding for Elevated Liver Function Tests? Ask your questions below.

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