2024 ICD-10-CM Diagnosis Code B18.1

by

Chronic viral hepatitis B without delta-agent

  • B18.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM B18.1 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of B18.1 – other international versions of ICD-10 B18.1 may differ.

Applicable To

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

The following code(s) above B18.1 contain annotation back-references

 that may be applicable to B18.1:

  • A00-B99  Certain infectious and parasitic diseases
  • B15-B19  Viral hepatitis
  • B18  Chronic viral hepatitis

Approximate Synonyms

  • Chronic hepatitis b with hepatic coma
  • Chronic type b viral hepatitis
  • Hepatitis b, chronic
  • Hepatitis b, chronic, with hepatic coma

Clinical Information

  • Inflammation of the liver in humans caused by hepatitis b virus lasting six months or more. It is primarily transmitted by parenteral exposure, such as transfusion of contaminated blood or blood products, but can also be transmitted via sexual or intimate personal contact.

ICD-10-CM B18.1 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 441 Disorders of liver except malignancy, cirrhosis or alcoholic hepatitis with mcc
  • 442 Disorders of liver except malignancy, cirrhosis or alcoholic hepatitis with cc
  • 443 Disorders of liver except malignancy, cirrhosis or alcoholic hepatitis without cc/mcc
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems

Convert B18.1 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to B18.1:

  • Use Additional: C22

Diagnosis Index entries containing back-references to B18.1: