B18.0
✓ BillableChronic viral hepatitis B with delta-agent
Certain infectious and parasitic diseases (A00-B99)
📋 Code Instructions
inherited- • code, if applicable, for ascites (R18.8)
Clinical Description
ICD-10-CM code B18.0 represents chronic viral hepatitis b with delta-agent. This code falls under the Certain infectious and parasitic diseases (A00-B99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code B18.0?
ICD-10-CM code B18.0 is "Chronic viral hepatitis B with delta-agent". It belongs to the category: Certain infectious and parasitic diseases (A00-B99).
Is B18.0 a billable ICD-10 code?
Yes, B18.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Related Codes in B18
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)