LOINCActiveBoth

LOINC Code 20804-1: Epizootic hemorrhagic disease virus Ag IF Ql (Bld)

20804-1 is a LOINC code used to identify Epizootic hemorrhagic disease virus Ag IF Ql (Bld) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Epizootic hemorrhagic disease virus Ag. It is commonly used with the system or sample type Bld.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 Epizootic hemorrhagic disease virus Ag. It is commonly used with the system or sample type Bld.

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

  • Epizootic hemorrhagic disease virus Ag [Presence] in Blood by Immunofluorescence
  • Epizootic hemorrhagic disease virus Ag
  • ACIF; Anticomplement Immunofluorescence; Antigen; Antigens; Arbovirus; Blood; Culicoides; DFA; Dis; Diseases; Dz; EHDV; Epizootic hemorrhagic disease of deer; FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; Orbivirus; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Time Resolved Fluorescence; TRF; Vet; Veterinary; WB; Whole blood

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.

Common synonyms

Epizootic hemorrhagic disease virus Ag IF Ql (Bld)Epizootic hemorrhagic disease virus Ag [Presence] in Blood by ImmunofluorescenceEHDV Ag Bld Ql IFEpizootic hemorrhagic disease virus AgMICROEpizootic Hemorrhagic Disease virus antigen, BloodPrThr

Frequently asked questions

Code details

Code20804-1
SystemLOINC
Display nameEpizootic hemorrhagic disease virus Ag IF Ql (Bld)
DescriptionEpizootic hemorrhagic disease virus Ag
Short nameEHDV Ag Bld Ql IF
ComponentEpizootic hemorrhagic disease virus Ag
PropertyPrThr
TimingPt
System (specimen)Bld
ScaleOrd
MethodIF
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.56

Consumer names

Epizootic Hemorrhagic Disease virus antigen, Blood

Part names

Epizootic hemorrhagic disease virus AgPrThrPtBldOrdIFPresence or ThresholdPoint in time (spot)BloodImmunofluorescence (IF)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 20804-1 | HealthAssure