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v1.0.0
ICD-10 Guide
ICD-10 CodesB19.9

B19.9

Viral hepatitis, unspecified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 B19.9 is a billable code used to indicate a diagnosis of viral hepatitis, unspecified.

Key Diagnostic Point:

Viral hepatitis is an inflammation of the liver caused by viral infections, which can lead to acute or chronic liver disease. The unspecified designation indicates that the specific type of viral hepatitis (such as hepatitis A, B, C, D, or E) has not been determined. Transmission routes vary depending on the virus; for instance, hepatitis A is primarily transmitted via the fecal-oral route, while hepatitis B and C are typically spread through blood and bodily fluids. Chronic management of viral hepatitis often involves monitoring liver function, screening for liver cancer, and antiviral therapies, particularly for hepatitis B and C. Complications of viral hepatitis can include cirrhosis, liver failure, and hepatocellular carcinoma. Patients may present with symptoms such as jaundice, fatigue, abdominal pain, and elevated liver enzymes. Accurate coding is essential for appropriate treatment and reimbursement, as well as for tracking public health trends related to viral hepatitis.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between types of viral hepatitis
  • Determining acute vs. chronic status
  • Understanding transmission routes and risk factors
  • Managing co-infections with other viruses

Audit Risk Factors

  • Inadequate documentation of viral type
  • Failure to specify acute or chronic status
  • Lack of supporting lab results
  • Misclassification of liver disease severity

Specialty Focus

Medical Specialties

Gastroenterology

Documentation Requirements

Detailed history of liver function tests, imaging studies, and treatment plans.

Common Clinical Scenarios

Patients presenting with jaundice, elevated liver enzymes, or chronic liver disease management.

Billing Considerations

Ensure documentation reflects the type of hepatitis and any complications.

Infectious Disease

Documentation Requirements

History of exposure, serological testing results, and treatment response.

Common Clinical Scenarios

Patients with acute viral hepatitis or those requiring antiviral therapy.

Billing Considerations

Document any co-infections and the patient's risk factors for transmission.

Coding Guidelines

Inclusion Criteria

Use B19.9 When
  • Follow official coding guidelines which state that B19
  • 9 should be used when the specific type of viral hepatitis is not documented
  • It is important to review the patient's medical history and lab results to ensure accurate coding

Exclusion Criteria

Do NOT use B19.9 When
No specific exclusions found.

Related CPT Codes

86803CPT Code

Hepatitis B surface antigen (HBsAg)

Clinical Scenario

Used to confirm hepatitis B infection in patients with unspecified hepatitis.

Documentation Requirements

Document the reason for testing and any relevant patient history.

Specialty Considerations

Gastroenterology may require additional liver function tests.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of viral hepatitis, improving data accuracy and patient management. However, the unspecified code B19.9 may lead to challenges in tracking specific viral hepatitis trends.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of viral hepatitis, improving data accuracy and patient management. However, the unspecified code B19.9 may lead to challenges in tracking specific viral hepatitis trends.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of viral hepatitis, improving data accuracy and patient management. However, the unspecified code B19.9 may lead to challenges in tracking specific viral hepatitis trends.

Resources

Clinical References

  • •
    CDC Viral Hepatitis Resources

Coding & Billing References

  • •
    CDC Viral Hepatitis Resources

Frequently Asked Questions

When should I use B19.9?

Use B19.9 when the specific type of viral hepatitis is not documented in the patient's medical record, but there is evidence of viral hepatitis.