B18
Non-billableChronic viral hepatitis
Chronic viral hepatitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
B15-B19
Child Codes
5
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
- Carrier of viral hepatitis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
- sequelae of viral hepatitis (B94.2)
Excludes 2
Conditions not included here, but the patient may have both
- 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)
- cytomegaloviral hepatitis (B25.1)
- herpesviral [herpes simplex] hepatitis (B00.81)
Use Additional Code
Additional codes that should follow this code
- code to identify resistance to antimicrobial drugs (Z16.-)
Child Codes (5)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code B18?
ICD-10-CM code B18 represents "Chronic viral hepatitis". It is a non-billable header code — use a more specific child code for billing purposes.
Is B18 a billable code?
No, B18 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under B18.
What chapter is B18 in?
B18 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B18?
B18 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; sequelae of viral hepatitis (B94.2).
What are the subcategories under B18?
B18 has 5 child codes, including: 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), and 1 more.
Are additional codes required with B18?
Yes, when using B18 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for B18?
B18 is linked to 2 UMLS Concept Unique Identifiers: C0549126, C0276623. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.