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 hepatitisB94.2
Excludes 2
Conditions not included here, but the patient may have both
- •carrier or suspected carrier of infectious diseaseZ22
- •infectious and parasitic diseases complicating pregnancy, childbirth and the puerperiumO98
- •infectious and parasitic diseases specific to the perinatal periodP35-P39
- •influenza and other acute respiratory infectionsJ00-J22
- •cytomegaloviral hepatitisB25.1
- •herpesviral [herpes simplex] hepatitisB00.81
Use Additional Code
Additional codes that should follow this code
Related Codes(4)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(26)
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
UMLS
Clinical Terms
- CAH - Chronic aggressive hepatitis
- Chronic active hepatitis
- Chronic active viral hepatitis
- Carrier of unspecified viral hepatitis
- CAH - Chronic active hepatitis
- Carrier of viral hepatitis
- Chronic viral hepatitis (disorder)
- Chronic persistent hepatitis
- Chronic persistent viral hepatitis
- Chronic aggressive viral hepatitis
- CPH - Chronic persistent hepatitis
Frequently Asked Questions
What is the ICD-10 code for chronic viral hepatitis, unspecified?
The ICD-10-CM code for chronic viral hepatitis, unspecified is B18.9. The full clinical description is "Chronic viral hepatitis, unspecified". B18.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code B18.9 mean?
ICD-10-CM code B18.9 represents “Chronic viral hepatitis, unspecified”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and 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, also report: 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.
How does B18.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like chronic viral hepatitis, unspecified affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of B18.9?
B18.9 maps to the ICD-11 code: 1E51.Y (Other specified chronic viral hepatitis).
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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.