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. 2022 ICD-10-CM Diagnosis Code B18.1

2022 ICD-10-CM Diagnosis Code B18.1

Chronic viral hepatitis B without delta-agent

2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

• B18.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2022 edition of ICD-10-CM B18.1 became effective on October 1, 2021.
• This is the American ICD-10-CM version of B18.1 - other international versions of ICD-10 B18.1 may differ.

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

• 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.

• 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-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

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

  Malignant neoplasm of liver and intrahepatic bile ducts

  2016 2017 2018 2019 2020 2021 2022 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 Billable/Specific Code

    Applicable To

    • Carrier of unspecified viral hepatitis
    • B surface antigen (HBsAg) B18.1
  • HB B18.1 (c)(s)
• Hepatitis K75.9
  ICD-10-CM Diagnosis Code K75.9

  Inflammatory liver disease, unspecified

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

  Applicable To

  • Hepatitis NOS

  Type 1 Excludes

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

    Unspecified viral hepatitis B without hepatic coma

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Unspecified viral hepatitis B NOS
    • chronic B18.1
  • viral, virus B19.9
    ICD-10-CM Diagnosis Code B19.9

    Unspecified viral hepatitis without hepatic coma

    2016 2017 2018 2019 2020 2021 2022 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 Billable/Specific Code

      Applicable To

      • Carrier of unspecified viral hepatitis
      • type
        • B B18.1
    • type
      • B B19.10
        ICD-10-CM Diagnosis Code B19.10

        Unspecified viral hepatitis B without hepatic coma

        2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

        Applicable To

        • Unspecified viral hepatitis B NOS
        • chronic B18.1
• Serum
  • hepatitis - see also Hepatitis, viral, type B
    • carrier B18.1 (suspected)

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