B18.1 Chronic viral hepatitis B without delta-agent
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The ICD-10-CM code for Chronic viral hepatitis B without delta-agent is B18.1 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- B15-B19: Viral hepatitis (B15-B19)
- Category B18
- 6 codes (5 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to B18.1:
- Carrier (suspected) of › HB (c)(s)-AG
- Carrier (suspected) of › hepatitis (viral) › B surface antigen (HBsAg)
- Serum › hepatitis › carrier (suspected) of
- Hepatitis › B › chronic
- Hepatitis › viral, virus › chronic › type › B
- Hepatitis › viral, virus › type › B › chronic
Inclusion Terms
- Carrier of viral hepatitis B
- Chronic (viral) hepatitis B
U.S. Hospital Utilization
- An estimated 34,445 U.S. inpatient stays in 2023 included B18.1 among the documented diagnoses.
- 120 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
HIV Infections (TOC entry)a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19
Infectious agents causing diseases in other chapters (TOC)b. Infectious agents as the cause of diseases classified to other chapters ................................. 22
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026
References
Cite This Page
Reference B18.1 with the canonical source and edition:
B18.1 — Chronic viral hepatitis B without delta-agent. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/B18.1
Canonical URL: https://icd10codingpro.com/codes/B18.1