LOINCActiveBoth

LOINC Code 45120-3: Vesicular stomatitis Indiana virus Ag IA Ql (Specimen)

45120-3 is a LOINC code used to identify Vesicular stomatitis Indiana virus Ag IA Ql (Specimen) 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 Indiana virus Ag. It is commonly used with the system or sample type XXX.

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 Indiana virus Ag. It is commonly used with the system or sample type XXX.

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 Indiana virus Ag [Presence] in Specimen by Immunoassay
  • Vesicular stomatitis Indiana virus Ag
  • Antigen; Antigens; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Misc; Miscellaneous; Ordinal; Other; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spec; SUDS; To be specified in another part of the message; Unspecified; Vesicular stomatitis virus Indiana 1; VS; VSIV; VSV-IN

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 Indiana virus Ag IA Ql (Specimen)Vesicular stomatitis Indiana virus Ag [Presence] in Specimen by ImmunoassayVSIV Ag Spec Ql IAVesicular stomatitis Indiana virus AgMICROVesicular Stomatitis Indiana virus antigen, SpecimenPrThr

Frequently asked questions

Code details

Code45120-3
SystemLOINC
Display nameVesicular stomatitis Indiana virus Ag IA Ql (Specimen)
DescriptionVesicular stomatitis Indiana virus Ag
Short nameVSIV Ag Spec Ql IA
ComponentVesicular stomatitis Indiana virus Ag
PropertyPrThr
TimingPt
System (specimen)XXX
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.69

Consumer names

Vesicular Stomatitis Indiana virus antigen, Specimen

Part names

Vesicular stomatitis Indiana virus AgPrThrPtXXXOrdIAPresence or ThresholdPoint in time (spot)Immunoassay

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.