ICD-10-CM Codes
A00-B99 Certain infectious and parasitic diseases
B15-B19 Viral hepatitis
B18- Chronic viral hepatitis
2021 ICD-10-CM Diagnosis Code B18

2021 ICD-10-CM Diagnosis Code B18

Chronic viral hepatitis

2016

2017

2018

2019

2020

2021

Non-Billable/Non-Specific Code

B18 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2021 edition of ICD-10-CM B18 became effective on October 1, 2020.
This is the American ICD-10-CM version of B18 - other international versions of ICD-10 B18 may differ.

Includes

Includes Help

"Includes" further defines, or give examples of, the content of the code or category.

Carrier of viral hepatitis

The following code(s) above B18 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:

A00-B99
2021 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseases
Includes
- 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.-)
Certain infectious and parasitic diseases
B15-B19
2021 ICD-10-CM Range B15-B19
Viral hepatitis
Type 1 Excludes
- sequelae of viral hepatitis (B94.2)
Type 2 Excludes
- cytomegaloviral hepatitis (B25.1)
- herpesviral [herpes simplex] hepatitis (B00.81)
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

Code annotations containing back-references to B18:

Type 2 Excludes: Z22

ICD-10-CM Diagnosis Code Z22
Carrier of infectious disease
Includes
- colonization status
- suspected carrier
Type 2 Excludes
- carrier of viral hepatitis (B18.-)

ICD-10-CM Codes Adjacent To B18

B16.2 Acute hepatitis B without delta-agent with hepatic coma

B16.9 Acute hepatitis B without delta-agent and without hepatic coma

B17 Other acute viral hepatitis

B17.0 Acute delta-(super) infection of hepatitis B carrier

B17.1 Acute hepatitis C

B17.10 …… without hepatic coma

B17.11 …… with hepatic coma

B17.2 Acute hepatitis E

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

B19.11 …… with hepatic coma

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

2021 ICD-10-CM Diagnosis Code B18

Chronic viral hepatitis

Certain infectious and parasitic diseases

Viral hepatitis

Carrier of infectious disease