LOINCActiveBoth

LOINC Code 31751-1: Bovine respiratory syncytial virus Ag Ql (Lung)

31751-1 is a LOINC code used to identify Bovine respiratory syncytial virus Ag Ql (Lung) 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 respiratory syncytial virus Ag. It is commonly used with the system or sample type Lung.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 respiratory syncytial virus Ag. It is commonly used with the system or sample type Lung.

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

What it does not mean

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

Key facts

  • Bovine respiratory syncytial virus Ag [Presence] in Lung
  • Bovine respiratory syncytial virus Ag
  • Antigen; Antigens; Beef; BRSV; HRSV; ID; Infectious Disease; InfectiousDisease; Lung; Microbiology; Ordinal; Point in time; PR; Pulmonary; Pulmonology; Ql; Qual; Qualitative; Random; Respiratory; RSV; Screen; 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.

Common synonyms

Bovine respiratory syncytial virus Ag Ql (Lung)Bovine respiratory syncytial virus Ag [Presence] in LungBRSV Ag Lung QlBovine respiratory syncytial virus AgMICROBovine Respiratory Syncytial virus antigen, LungPrThr

Frequently asked questions

Code details

Code31751-1
SystemLOINC
Display nameBovine respiratory syncytial virus Ag Ql (Lung)
DescriptionBovine respiratory syncytial virus Ag
Short nameBRSV Ag Lung Ql
ComponentBovine respiratory syncytial virus Ag
PropertyPrThr
TimingPt
System (specimen)Lung
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.56

Consumer names

Bovine Respiratory Syncytial virus antigen, Lung

Part names

Bovine respiratory syncytial virus AgPrThrPtLungOrdPresence or ThresholdPoint in time (spot)

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.