`B18.0` Chronic viral hepatitis B with delta-agent

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Risk adjustment (HCC)

CMS-HCC V28: HCC 65 — Chronic Hepatitis
CMS-HCC V22: HCC 29 — Chronic Hepatitis
RxHCC V08: HCC 56 — Chronic Viral Hepatitis B and Other Specified Chronic Viral Hepatitis
ESRD V24: HCC 29

Defines the logic of DRG(s) 441-443 in MDC 07.

070.33 Chronic viral hepatitis B without mention of hepatic coma with hepatitis delta (approximate)

Use Additional: C22 Malignant neoplasm of liver and intrahepatic bile ducts ("hepatitis B (B16.-, B18.0-B18.1)")

Code First: H67 Otitis media in diseases classified elsewhere ("viral disease NEC (B00-B34)")
Type 2 Excludes: K72 Hepatic failure, not elsewhere classified ("viral hepatitis with hepatic coma (B15-B19)")
Type 1 Excludes: K73 Chronic hepatitis, not elsewhere classified ("viral hepatitis (chronic) (B15-B19)")
Code Also: K74 Fibrosis and cirrhosis of liver (", if applicable, viral hepatitis (acute) (chronic) (B15-B19)")
Type 1 Excludes: K75.2 Nonspecific reactive hepatitis ("viral hepatitis (B15-B19)")
Type 1 Excludes: K75.3 Granulomatous hepatitis, not elsewhere classified ("viral hepatitis (B15-B19)")
Type 1 Excludes: K75.9 Inflammatory liver disease, unspecified ("viral hepatitis (B15-B19)")
Code First: M02 Postinfective and reactive arthropathies ("viral hepatitis (B15-B19)")
Type 2 Excludes: T80.6 Other serum reactions ("serum hepatitis (B16-B19)")
Type 2 Excludes: Z22 Carrier of infectious disease ("carrier of viral hepatitis (B18.-)")