LOINCActiveBoth

LOINC Code 6389-1: EEEV Ag IF Ql (S)

6389-1 is a LOINC code used to identify EEEV Ag IF 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 Eastern 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 Eastern 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
  • Method: IF

What it does not mean

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

Key facts

  • Eastern equine encephalitis virus Ag [Presence] in Serum by Immunofluorescence
  • Eastern equine encephalitis virus Ag
  • ACIF; Anticomplement Immunofluorescence; Antigen; Antigens; DFA; EEE virus; EEEV; Enc; Enceph; Encephalomyelitis; Equin; FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; Time Resolved Fluorescence; Togavirus; TRF

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

EEEV Ag IF Ql (S)Eastern equine encephalitis virus Ag [Presence] in Serum by ImmunofluorescenceEEEV Ag Ser Ql IFEastern equine encephalitis virus AgMICROEastern equine encephalitis virus antigen, BloodPrThr

Frequently asked questions

Code details

Code6389-1
SystemLOINC
Display nameEEEV Ag IF Ql (S)
DescriptionEastern equine encephalitis virus Ag
Short nameEEEV Ag Ser Ql IF
ComponentEastern equine encephalitis virus Ag
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIF
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Eastern equine encephalitis virus antigen, Blood

Part names

Eastern equine encephalitis virus AgPrThrPtSerOrdIFPresence or ThresholdPoint in time (spot)SerumImmunofluorescence (IF)

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 6389-1 | HealthAssure