1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. B15-B19 Viral hepatitis
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4. B18- Chronic viral hepatitis
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5. 2023 ICD-10-CM Diagnosis Code B18.2

2023 ICD-10-CM Diagnosis Code B18.2

Chronic viral hepatitis C

2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

• B18.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2023 edition of ICD-10-CM B18.2 became effective on October 1, 2022.
• This is the American ICD-10-CM version of B18.2 - other international versions of ICD-10 B18.2 may differ.

• Chronic hepatitis c
• Chronic hepatitis c with stage 3 fibrosis
• Chronic hepatitis c, stage 3 fibrosis
• Cryoglobulinemia due to chronic hepatitis c
• Hepatic coma due to chronic hepatitis c
• Hepatitis c carrier
• Hepatitis c, chronic
• Hepatitis c, chronic, with hepatic coma

• Inflammation of the liver in humans that is caused by hepatitis c virus lasting six months or more. Chronic hepatitis c can lead to liver cirrhosis.

• 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 B18.2 to ICD-9-CM

• 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

• Use Additional: C22
  ICD-10-CM Diagnosis Code C22

  Malignant neoplasm of liver and intrahepatic bile ducts

  2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code

  Type 1 Excludes

  • malignant neoplasm of biliary tract NOS (C24.9)
  • secondary malignant neoplasm of liver and intrahepatic bile duct (C78.7)

  Use Additional

  • code to identify:
  • alcohol abuse and dependence (F10.-)
  • hepatitis B (B16.-, B18.0-B18.1)
  • hepatitis C (B17.1-, B18.2)

• Carrier (suspected)
  • hepatitis (viral) B18.9
    ICD-10-CM Diagnosis Code B18.9

    Chronic viral hepatitis, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Carrier of unspecified viral hepatitis
    • C B18.2
• Hepatitis K75.9
  ICD-10-CM Diagnosis Code K75.9

  Inflammatory liver disease, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

  Applicable To

  • Hepatitis NOS

  Type 1 Excludes

  • acute or subacute hepatitis (K72.0-)
  • chronic hepatitis NEC (K73.-)
  • viral hepatitis (B15-B19)
  • C (viral) B19.20
    ICD-10-CM Diagnosis Code B19.20

    Unspecified viral hepatitis C without hepatic coma

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Viral hepatitis C NOS
    • chronic B18.2
  • viral, virus B19.9
    ICD-10-CM Diagnosis Code B19.9

    Unspecified viral hepatitis without hepatic coma

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Viral hepatitis NOS
    • chronic B18.9
      ICD-10-CM Diagnosis Code B18.9

      Chronic viral hepatitis, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Carrier of unspecified viral hepatitis
      • type
        • C B18.2
    • type
      • C B19.20
        ICD-10-CM Diagnosis Code B19.20

        Unspecified viral hepatitis C without hepatic coma

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Viral hepatitis C NOS
        • chronic B18.2

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.