ICD-10 Coding for Chronic Hepatitis B(B18.1, B18.2, B18.9)
Complete ICD-10-CM coding and documentation guide for Chronic Hepatitis B. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Chronic Hepatitis B
B18.0-B18.9Primary Range
Chronic viral hepatitis
This range includes codes for chronic hepatitis B, with or without delta-agent, and unspecified chronic viral hepatitis.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| B18.1 | Chronic viral hepatitis B without delta-agent | Use when chronic hepatitis B is confirmed without delta-agent involvement. |
|
| B18.2 | Chronic viral hepatitis B with delta-agent | Use when chronic hepatitis B is confirmed with delta-agent involvement. |
|
| B18.9 | Chronic viral hepatitis, unspecified | Use when chronic hepatitis is documented but specific type is not identified. |
|
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 chronic hepatitis B
Essential facts and insights about Chronic Hepatitis B
Primary ICD-10-CM Codes for hepatitis brother chronic
Decision Criteria
clinical Criteria
- HBsAg positive for over 6 months and negative anti-HDV
Applicable To
- Chronic hepatitis B without delta-agent
Excludes
- Acute hepatitis B (B16.-)
Clinical Validation Requirements
- HBsAg positive for more than 6 months
- Negative anti-HDV test
Code-Specific Risks
- Misclassification as carrier status
Coding Notes
- Ensure documentation specifies chronicity and absence of delta-agent.
B18.2 - Chronic viral hepatitis B with delta-agent
Use when chronic hepatitis B is confirmed with delta-agent involvement.
Applicable To
- Chronic hepatitis B with delta-agent
Excludes
- Acute hepatitis B with delta-agent (B16.0)
Clinical Validation Requirements
- HBsAg positive for more than 6 months
- Positive anti-HDV test
Coding Notes
Ensure documentation specifies delta-agent involvement.
B18.9 - Chronic viral hepatitis, unspecified
Use when chronic hepatitis is documented but specific type is not identified.
Applicable To
- Chronic viral hepatitis NOS
Excludes
- Acute viral hepatitis (B15-B17)
Clinical Validation Requirements
- Chronic hepatitis without specific type documentation
Coding Notes
Encourage documentation to specify the type of hepatitis.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Differential Codes
Alternative codes to consider when ruling out similar conditions to the primary diagnosis.
Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Chronic Hepatitis B to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code B18.1.
Impact
Clinical: Misdiagnosis of hepatitis type., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.
Mitigation Strategy
Ensure anti-HDV testing is documented., Clarify delta-agent status in records.
Impact
Reimbursement: Incorrect coding can lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records and data reporting.
Mitigation Strategy
Use B18.1 for chronic infection instead of Z22.52.
Impact
Lack of documentation for delta-agent involvement.
Mitigation Strategy
Require anti-HDV test results in patient records.
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 Chronic Hepatitis B, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Chronic Hepatitis B
Use these documentation templates to ensure complete and accurate documentation for Chronic Hepatitis B. These templates include all required elements for proper coding and billing.
Chronic Hepatitis B without Delta-Agent
Specialty: GastroenterologyRequired Elements
- HBsAg positive status
- Negative anti-HDV test
- Liver function test results
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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