LOINCActiveBoth

LOINC Code 31983-0: VEEV Ag Ql (S)

31983-0 is a LOINC code used to identify VEEV Ag Ql (S) 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 Venezuelan equine encephalitis virus Ag. It is commonly used with the system or sample type Ser.

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 Venezuelan equine encephalitis virus Ag. It is commonly used with the system or sample type Ser.

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

  • Venezuelan equine encephalitis virus Ag [Presence] in Serum
  • Venezuelan equine encephalitis virus Ag
  • Antigen; Antigens; Enc; Enceph; Encephalomyelitis; Equin; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; Togavirus; VEE virus; VEEV

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

VEEV Ag Ql (S)Venezuelan equine encephalitis virus Ag [Presence] in SerumVEEV Ag Ser QlVenezuelan equine encephalitis virus AgMICROVEEV antigen, BloodPrThr

Frequently asked questions

Code details

Code31983-0
SystemLOINC
Display nameVEEV Ag Ql (S)
DescriptionVenezuelan equine encephalitis virus Ag
Short nameVEEV Ag Ser Ql
ComponentVenezuelan equine encephalitis virus Ag
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

VEEV antigen, Blood

Part names

Venezuelan equine encephalitis virus AgPrThrPtSerOrdPresence or ThresholdPoint in time (spot)Serum

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 31983-0 | HealthAssure