LOINCActiveBoth

LOINC Code 23558-0: Vesicular stomatitis virus Ag IA Ql (Throat)

23558-0 is a LOINC code used to identify Vesicular stomatitis virus Ag IA Ql (Throat) 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 Vesicular stomatitis virus Ag. It is commonly used with the system or sample type Thrt.

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 Vesicular stomatitis virus Ag. It is commonly used with the system or sample type Thrt.

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: IA

What it does not mean

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

Key facts

  • Vesicular stomatitis virus Ag [Presence] in Throat by Immunoassay
  • Vesicular stomatitis virus Ag
  • Antigen; Antigens; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Rhabdovirus; Screen; SUDS; Throat; Upper respiratory; Vesicular stomatitis; VSV

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

Vesicular stomatitis virus Ag IA Ql (Throat)Vesicular stomatitis virus Ag [Presence] in Throat by ImmunoassayVSV Ag Throat Ql IAVesicular stomatitis virus AgMICROVesicular Stomatitis virus antigen, ThroatPrThr

Frequently asked questions

Code details

Code23558-0
SystemLOINC
Display nameVesicular stomatitis virus Ag IA Ql (Throat)
DescriptionVesicular stomatitis virus Ag
Short nameVSV Ag Throat Ql IA
ComponentVesicular stomatitis virus Ag
PropertyPrThr
TimingPt
System (specimen)Thrt
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Vesicular Stomatitis virus antigen, Throat

Part names

Vesicular stomatitis virus AgPrThrPtThrtOrdIAPresence or ThresholdPoint in time (spot)ThroatImmunoassay

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 23558-0 | HealthAssure