2024 ICD-10-CM Diagnosis Code B18.9

Chronic viral hepatitis, unspecified

  • B18.9 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 B18.9 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of B18.9 – other international versions of ICD-10 B18.9 may differ.

Applicable To

  • Carrier of unspecified viral hepatitis

The following code(s) above B18.9 contain annotation back-references

 that may be applicable to B18.9:

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

Approximate Synonyms

  • Chronic viral hepatitis
  • Viral hepatitis carrier

Clinical Information

  • Chronic hepatitis caused by viruses, most commonly hepatitis viruses b and c.

ICD-10-CM B18.9 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 B18.9 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

Diagnosis Index entries containing back-references to B18.9: