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ICD-10-CM Codes
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A00-B99
Certain infectious and parasitic diseases
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B15-B19
Viral hepatitis
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B18-
Chronic viral hepatitis
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2020 ICD-10-CM Diagnosis Code B18.9
2020 ICD-10-CM Diagnosis Code B18.9
Chronic viral hepatitis, unspecified
2016 2017 2018 2019 2020 Billable/Specific Code
- B18.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2020 edition of ICD-10-CM B18.9 became effective on October 1, 2019.
- 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
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
B18.9:
- A00-B99
2020 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseasesIncludes- diseases generally recognized as communicable or transmissible
Type 1 Excludes- certain localized infections - see body system-related chapters
Type 2 Excludes- carrier or suspected carrier of infectious disease (Z22.-)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional- code to identify resistance to antimicrobial drugs (Z16.-)
- B15-B19
2020 ICD-10-CM Range B15-B19
Viral hepatitisType 1 Excludes- sequelae of viral hepatitis (B94.2)
Type 2 Excludes- cytomegaloviral hepatitis (B25.1)
- herpesviral [herpes simplex] hepatitis (B00.81)
- B18
ICD-10-CM Diagnosis Code B18
Chronic viral hepatitis
2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
Includes- Carrier of viral hepatitis
- 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 v37.0):
- 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-CM
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
- Carrier (suspected)
- Hepatitis K75.9
ICD-10-CM Diagnosis Code K75.9
Inflammatory liver disease, unspecified
2016 2017 2018 2019 2020 Billable/Specific Code
Type 1 Excludes- acute or subacute hepatitis (K72.0-)
- chronic hepatitis NEC (K73.-)
- viral hepatitis (B15-B19)
- infectious, infective B15.9
ICD-10-CM Diagnosis Code B15.9
Hepatitis A without hepatic coma
2016 2017 2018 2019 2020 Billable/Specific Code
Applicable To- Hepatitis A (acute)(viral) NOS
- viral, virus B19.9
ICD-10-CM Diagnosis Code B19.9
Unspecified viral hepatitis without hepatic coma
2016 2017 2018 2019 2020 Billable/Specific Code
ICD-10-CM Codes Adjacent To B18.9
B17.10 …… without hepatic coma
B17.8 Other specified acute viral hepatitis
B17.9 Acute viral hepatitis, unspecified
B18 Chronic viral hepatitis
B18.0 Chronic viral hepatitis B with delta-agent
B18.1 Chronic viral hepatitis B without delta-agent
B18.2 Chronic viral hepatitis C
B18.8 Other chronic viral hepatitis
B18.9
Chronic viral hepatitis, unspecified
B19 Unspecified viral hepatitis
B19.0 Unspecified viral hepatitis with hepatic coma
B19.1 Unspecified viral hepatitis B
B19.10 …… without hepatic coma
B19.2 Unspecified viral hepatitis C
B19.20 …… without hepatic coma
B19.9 Unspecified viral hepatitis without hepatic coma
B20 Human immunodeficiency virus [HIV] disease
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
