LOINC Code 20847-0: Bovine herpesvirus 2 Ag IF Ql (Exud)

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Bovine herpesvirus 2 Ag. It is commonly used with the system or sample type Exudate.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Both
• Method: IF

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• Bovine herpesvirus 2 Ag [Presence] in Exudate by Immunofluorescence
• Bovine herpesvirus 2 Ag
• Exudate is material such as fluid, cells or cellular debris, which has been deposited in tissues or on tissue surface.
• ACIF; Anticomplement Immunofluorescence; Antigen; Antigens; Beef; BoHV; BoHV2; DFA; Exud; FA; Fluorescent antibody; Fluoresent; Herpes virus; ID; IFA; II; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Time Resolved Fluorescence; TRF; Vet; Veterinary

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Related SNOMED CT concepts

Related observations and tests

Common synonyms

Frequently asked questions