LOINCActiveBoth

LOINC Code 20713-4: Bovine diarrhea virus Ag IF Ql (Bld)

20713-4 is a LOINC code used to identify Bovine diarrhea 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 Bovine diarrhea 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 Bovine diarrhea 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

  • Bovine diarrhea virus Ag [Presence] in Blood by Immunofluorescence
  • Bovine diarrhea virus Ag
  • ACIF; Anticomplement Immunofluorescence; Antigen; Antigens; BDV; Beef; Blood; Bovine viral diarrhea; BVD; BVDV; DFA; FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; Mucosal disease; Ordinal; Pestivirus; 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

Bovine diarrhea virus Ag IF Ql (Bld)Bovine diarrhea virus Ag [Presence] in Blood by ImmunofluorescenceBVDV Ag Bld Ql IFBovine diarrhea virus AgMICROBovine Diarrhea virus antigen, BloodPrThr

Frequently asked questions

Code details

Code20713-4
SystemLOINC
Display nameBovine diarrhea virus Ag IF Ql (Bld)
DescriptionBovine diarrhea virus Ag
Short nameBVDV Ag Bld Ql IF
ComponentBovine diarrhea 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 changed2.67

Consumer names

Bovine Diarrhea virus antigen, Blood

Part names

Bovine diarrhea 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 20713-4 | HealthAssure