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ICD-10 Coding for Acute Liver Injury(K76.9, K71.6)

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

Also known as:

Acute Hepatic InjuryAcute Liver Damage

Related ICD-10 Code Ranges

Complete code families applicable to Acute Liver Injury

K71-K76Primary Range

Diseases of liver

This range includes codes for liver diseases, including acute liver injury and failure.

Poisoning by drugs, medicaments and biological substances

These codes are used for drug-induced liver injury, indicating the specific drug involved.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
K76.9Liver disease, unspecifiedUse when acute liver injury is present without a specified cause.
  • Elevated ALT/AST (>3x ULN)
  • Absence of encephalopathy/coagulopathy
K71.6Toxic liver disease with hepatitisUse when liver injury is due to a specific drug.
  • ALT >5x ULN
  • Temporal relationship to drug exposure
  • RUCAM score ≥6

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 acute liver injury

Essential facts and insights about Acute Liver Injury

The ICD-10 code for acute liver injury is K76.9 for unspecified causes and K71.6 for drug-induced cases.

Primary ICD-10-CM Codes for acute liver injury

Liver disease, unspecified
Billable Code

Decision Criteria

clinical Criteria

  • ALT >200 U/L + absence of synthetic dysfunction

Applicable To

  • Acute liver injury NOS

Excludes

  • Chronic liver disease

Clinical Validation Requirements

  • Elevated ALT/AST (>3x ULN)
  • Absence of encephalopathy/coagulopathy

Code-Specific Risks

  • Misclassification if chronic liver disease is present.

Coding Notes

  • Ensure no chronic liver disease is present before using this code.

Ancillary Codes

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

Abnormal results of liver function studies

R94.5
Use for isolated enzyme elevation without injury criteria.

Poisoning by drugs, medicaments and biological substances

T36-T50
Use to specify the drug causing the liver injury.

Differential Codes

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

Acute and subacute hepatic failure

K72.0
Presence of encephalopathy and INR ≥1.5.

Alcoholic hepatitis

K70.1
Presence of alcohol use disorder.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Acute Liver Injury to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code K76.9.

Impact

Clinical: Misrepresentation of patient condition., Regulatory: Potential audit failure., Financial: Incorrect billing and reimbursement.

Mitigation Strategy

Verify absence of chronic liver disease., Use appropriate chronic liver disease codes.

Impact

Reimbursement: Incorrect DRG assignment can affect reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Differentiate based on presence of encephalopathy and INR levels.

Impact

Failure to specify drug can lead to audit issues.

Mitigation Strategy

Always document the specific drug and causality assessment.

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 Acute Liver Injury, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Acute Liver Injury

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

Drug-induced liver injury

Specialty: Hepatology

Required Elements

  • Drug name
  • Temporal relationship
  • RUCAM score

Example Documentation

Patient started on amoxicillin 5 days ago, now presents with ALT 1,200 U/L. RUCAM score 7.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Elevated LFTs, possible drug reaction.
Good Documentation Example
ALT 1,240 U/L, AST 980 U/L, RUCAM score 8 for rifampin-induced hepatotoxicity.
Explanation
The good example specifies the drug and provides a causality assessment.

Need help with ICD-10 coding for Acute Liver Injury? Ask your questions below.

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