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R74.01
ICD-10-CM
Elevated Transaminases

Elevated transaminases, also known as elevated liver enzymes or transaminitis, indicate potential liver damage. Learn about the causes, diagnosis, and management of elevated ALT and AST levels. This resource covers clinical documentation, medical coding, ICD-10 codes related to elevated transaminases, and relevant healthcare information for medical professionals. Find information on liver function tests (LFTs), liver disease, and the significance of abnormal transaminase blood test results.

Also known as

Elevated Liver Enzymes
Transaminitis

Diagnosis Snapshot

Key Facts
  • Definition : High levels of liver enzymes (ALT, AST) in the blood, indicating liver damage or inflammation.
  • Clinical Signs : Often asymptomatic, but may include fatigue, nausea, abdominal pain, jaundice, dark urine.
  • Common Settings : Fatty liver disease, alcohol abuse, viral hepatitis, medications, certain genetic conditions.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC R74.01 Coding
R74.0

Abnormal liver function tests

Indicates abnormal results for liver function tests, including elevated transaminases.

K70-K77

Diseases of liver

Covers various liver diseases that can cause elevated transaminases, like hepatitis or cirrhosis.

T36-T50

Poisoning by drugs, medicaments

Includes drug-induced liver injury, a common cause of elevated transaminases.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the elevation due to a specific liver disease?

  • Yes

    Is the cause alcoholic?

  • No

    Is it due to a drug or toxin?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Elevated liver enzymes, often asymptomatic.
Liver inflammation from alcohol overuse.
Fatty liver disease not due to alcohol.

Documentation Best Practices

Documentation Checklist
  • Document specific transaminase levels (ALT, AST).
  • Specify onset and duration of elevation.
  • Exclude other causes of transaminitis.
  • Document associated symptoms (if any).
  • Correlate with liver function tests (LFTs).

Coding and Audit Risks

Common Risks
  • Unspecified etiology

    Coding elevated transaminases without documenting the underlying cause (e.g., alcohol, medication) leads to inaccurate coding and potential denials.

  • Liver disease specificity

    Generalized coding for transaminitis without specifying the liver disease (e.g., hepatitis, cirrhosis) impacts severity and reimbursement.

  • Missing documentation

    Lack of documentation supporting the severity of the enzyme elevation (e.g., AST/ALT levels) creates audit risks and CDI queries.

Mitigation Tips

Best Practices
  • Rule out alcohol/drug use, NAFLD, viral hepatitis (ICD-10 K70-K77, B15-B19). Document thoroughly.
  • Order appropriate tests for ALT, AST, GGT, ALP (CPT 82050, 84460, 84450). Ensure medical necessity.
  • Review medications for hepatotoxicity. Consult pharmacist if needed. Document medication reconciliation.
  • Consider ultrasound or other imaging (ICD-10 R91.8) if indicated. Justify medical necessity in documentation.
  • For chronic elevation, explore autoimmune, metabolic, genetic causes. Code specific diagnosis (ICD-10).

Clinical Decision Support

Checklist
  • Review LFTs: ALT, AST levels documented?
  • Exclude non-hepatic causes: muscle injury, medications?
  • Assess for alcohol use, viral hepatitis, NAFLD?
  • Order additional tests if indicated: hepatitis panel, imaging?

Reimbursement and Quality Metrics

Impact Summary
  • Elevated Transaminases (E) reimbursement hinges on accurate ICD-10 coding (e.g., R74.0), impacting claim denial rates.
  • Liver Function Test (LFT) coding specificity affects payment and quality metrics related to liver disease management.
  • Transaminitis diagnosis impacts quality reporting for chronic liver disease and requires precise documentation for optimal reimbursement.
  • Elevated Liver Enzymes diagnosis requires correlation with medical history and other lab results for proper coding and billing.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes for . Our AI-powered assistant ensures compliance and reduces coding errors.

Frequently Asked Questions

Common Questions and Answers

Q: What is the most effective differential diagnosis approach for persistently elevated transaminases in asymptomatic patients?

A: Persistently elevated transaminases in asymptomatic patients require a systematic approach to differential diagnosis. Begin by confirming the elevation with repeat testing and ensuring no recent strenuous exercise or muscle injury. Key considerations include assessing for non-alcoholic fatty liver disease (NAFLD) through imaging (ultrasound, MRI) and evaluating for viral hepatitis (A, B, C) with serological testing. Autoimmune hepatitis should be investigated with autoantibody panels (ANA, SMA, AMA), while hemochromatosis and Wilson's disease warrant consideration with iron studies and ceruloplasmin levels, respectively. Drug-induced liver injury should be explored by reviewing the patient's medication history. If initial investigations are unrevealing, consider less common etiologies such as alpha-1 antitrypsin deficiency and celiac disease. Further specialized testing or liver biopsy may be necessary to reach a definitive diagnosis. Explore how advanced imaging techniques can aid in distinguishing various liver pathologies.

Q: How can I differentiate between alcoholic and non-alcoholic fatty liver disease (NAFLD) when transaminases are elevated?

A: Differentiating alcoholic fatty liver disease (AFLD) from NAFLD with elevated transaminases relies on a combination of patient history, laboratory findings, and imaging. A thorough alcohol consumption history is crucial, though patients may underreport intake. AST/ALT ratio is often >2 in AFLD, but this isn't always reliable. Imaging studies like ultrasound can detect steatosis in both conditions but cannot reliably differentiate them. MRI with specialized techniques (e.g., MR elastography) can provide more specific information about liver fibrosis and fat content. Ultimately, liver biopsy remains the gold standard for differentiating and staging liver disease, but it's not always clinically indicated. Consider implementing validated questionnaires and tools for assessing alcohol consumption patterns in your practice.

Quick Tips

Practical Coding Tips
  • Code elevated ALT/AST, not 'transaminitis'
  • ICD-10 R74.8 for nonspecific elevation
  • Document specific enzyme levels
  • Consider underlying cause, code that too
  • Liver disease? Code the specific etiology

Documentation Templates

Patient presents with elevated transaminases, also known as elevated liver enzymes or transaminitis.  Initial evaluation includes a comprehensive review of symptoms, medical history, medication list, and social history including alcohol use, dietary habits, and potential exposure to hepatotoxic substances.  Laboratory findings reveal elevated AST (aspartate aminotransferase) and ALT (alanine aminotransferase) levels.  Differential diagnosis includes non-alcoholic fatty liver disease (NAFLD), alcoholic liver disease, viral hepatitis (hepatitis B, hepatitis C), autoimmune hepatitis, drug-induced liver injury, and other less common causes of liver dysfunction.  Further investigations may include hepatitis serologies, imaging studies such as ultrasound or MRI of the abdomen, and potentially liver biopsy depending on clinical suspicion.  Initial management focuses on identifying and addressing the underlying cause.  Patient education regarding lifestyle modifications, such as dietary changes and alcohol cessation, if applicable, has been provided.  Follow-up laboratory testing is scheduled to monitor transaminase levels and assess response to interventions.  ICD-10 codes for elevated liver enzymes will be assigned based on the final diagnosis.  This documentation will be updated as further diagnostic information becomes available.
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