2024 ICD-10-CM Diagnosis Code B18

Chronic viral hepatitis

  • B18 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2024 edition of ICD-10-CM B18 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of B18 – other international versions of ICD-10 B18 may differ.

Includes

  • Carrier of viral hepatitis

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

 that may be applicable to B18:

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

Clinical Information

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

Code 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:

  • Type 2 Excludes: Z22