B18.9
BillableChronic viral hepatitis, unspecified
Chronic viral hepatitis, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Carrier of unspecified viral hepatitis
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.-)
Also Known As / Clinical Terms
SNOMED CT
- Chronic viral hepatitis10295004
- CPH - Chronic persistent hepatitis41889008
- Chronic persistent hepatitis41889008
- Chronic persistent viral hepatitis60037002
- Chronic active viral hepatitis66870002
- Chronic aggressive viral hepatitis89789003
- CAH - Chronic active hepatitis197284004
- CAH - Chronic aggressive hepatitis197284004
- Chronic active hepatitis197284004
Frequently Asked Questions
What is ICD-10 code B18.9?
ICD-10-CM code B18.9 represents "Chronic viral hepatitis, unspecified". It is a billable/specific code that can be used on a claim.
Is B18.9 a billable code?
Yes, B18.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is B18.9 in?
B18.9 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B18.9?
B18.9 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).
Are additional codes required with B18.9?
Yes, when using B18.9 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does B18.9 map to?
B18.9 maps to 6 SNOMED CT concepts: 197284004, 41889008, 66870002, 89789003, 60037002, and 1 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for B18.9?
B18.9 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.