LOINC

LOINC Code 31752-9: Bovine virus diarrhea virus Ag Ql (Bld)

31752-9 is a LOINC code used to identify Bovine virus diarrhea virus Ag 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 virus 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 virus 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: DEPRECATED

What it does not mean

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

Key facts

  • Deprecated Bovine diarrhea virus Ag [Presence] in Blood
  • Bovine virus diarrhea virus Ag
  • Antigen; Antigens; Arbitrary concentration; Beef; Blood; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; 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 virus diarrhea virus Ag Ql (Bld)Deprecated Bovine diarrhea virus Ag [Presence] in BloodDeprecated BVDV Ag Bld QlBovine virus diarrhea virus AgMICROBovine virus diarrhea virus antigen, BloodACnc

Frequently asked questions

Code details

Code31752-9
SystemLOINC
Display nameBovine virus diarrhea virus Ag Ql (Bld)
DescriptionBovine virus diarrhea virus Ag
Short nameDeprecated BVDV Ag Bld Ql
ComponentBovine virus diarrhea virus Ag
PropertyACnc
TimingPt
System (specimen)Bld
ScaleOrd
ClassMICRO
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.36

Consumer names

Bovine virus diarrhea virus antigen, Blood

Part names

Bovine virus diarrhea virus AgACncPtBldOrdArbitrary ConcentrationPoint in time (spot)Blood

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 31752-9 | HealthAssure