B18.1

ICD-10Billable

Chronic viral hepatitis B without delta-agent

Official ICD-10-CM descriptor (FY2026)

Chronic viral hepatitis B without delta-agent

B18.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Carrier of viral hepatitis B
  • Chronic (viral) hepatitis B

Related codes in B18

Where this code sits

Parent code
B18

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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