LOINCActiveBoth

LOINC Code 9633-9: EBV capsid IgA IF (S) [Titer]

9633-9 is a LOINC code used to identify EBV capsid IgA IF (S) [Titer] 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 Epstein Barr virus capsid Ab.IgA. 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 Epstein Barr virus capsid Ab.IgA. 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

  • Epstein Barr virus capsid IgA Ab [Titer] in Serum by Immunofluorescence
  • Epstein Barr virus capsid Ab.IgA
  • ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; CAP; Dilution factor; Dilution Factor (Titer); EBV; EBV capsid Ab; EBV VCA; Epstn; FA; Fluorescent antibody; Fluoresent; HHV-4; human herpesvirus 4; ID; IFA; Immune fluorescence; Immune globulin A; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin A; Infectious Disease; InfectiousDisease; Microbiology; Mono; Mononucleosis; Point in time; Random; Serum; SmQn; SR; Time Resolved Fluorescence; Titer; Titered; Titre; TRF; Ttr; VCA; Viral capsid

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

EBV capsid IgA IF (S) [Titer]Epstein Barr virus capsid IgA Ab [Titer] in Serum by ImmunofluorescenceEBV VCA IgA Titr Ser IFEpstein Barr virus capsid Ab.IgAMICROEpstein Barr virus (EBV) Capsid IgA antibody, BloodTitr

Frequently asked questions

Code details

Code9633-9
SystemLOINC
Display nameEBV capsid IgA IF (S) [Titer]
DescriptionEpstein Barr virus capsid Ab.IgA
Short nameEBV VCA IgA Titr Ser IF
ComponentEpstein Barr virus capsid Ab.IgA
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodIF
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.75

Consumer names

Epstein Barr virus (EBV) Capsid IgA antibody, Blood

Part names

Epstein Barr virus capsid Ab.IgATitrPtSerSemiQnIFEpstein Barr virus capsid IgATiterPoint 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 9633-9 | HealthAssure