LOINCActiveBoth

LOINC Code 45118-7: Vesicular stomatitis Indiana virus Ag CF Ql (Specimen)

45118-7 is a LOINC code used to identify Vesicular stomatitis Indiana virus Ag CF 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: Comp fix

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 Complement fixation
  • Vesicular stomatitis Indiana virus Ag
  • Antigen; Antigens; CF; Comp fixation; Compfix; Complement fixation; ID; Infectious Disease; InfectiousDisease; Microbiology; Misc; Miscellaneous; Ordinal; Other; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spec; 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 CF Ql (Specimen)Vesicular stomatitis Indiana virus Ag [Presence] in Specimen by Complement fixationVSIV Ag Spec Ql CFVesicular stomatitis Indiana virus AgMICROVesicular Stomatitis Indiana virus antigen, SpecimenPrThr

Frequently asked questions

Code details

Code45118-7
SystemLOINC
Display nameVesicular stomatitis Indiana virus Ag CF Ql (Specimen)
DescriptionVesicular stomatitis Indiana virus Ag
Short nameVSIV Ag Spec Ql CF
ComponentVesicular stomatitis Indiana virus Ag
PropertyPrThr
TimingPt
System (specimen)XXX
ScaleOrd
MethodComp fix
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 AgPrThrPtXXXOrdComp fixPresence or ThresholdPoint in time (spot)Complement fixation

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.