LOINCActiveBoth

LOINC Code 34639-5: EBV capsid IgA (CSF) [Titer]

34639-5 is a LOINC code used to identify EBV capsid IgA (CSF) [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 CSF.

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 CSF.

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

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 Cerebral spinal fluid
  • Epstein Barr virus capsid Ab.IgA
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; CAP; Cerebral spinal fluid; Cerebrospinal Fl; Dilution factor; Dilution Factor (Titer); EBV; EBV capsid Ab; EBV VCA; Epstn; HHV-4; human herpesvirus 4; ID; Immune globulin A; Immunoglobulin A; Infectious Disease; InfectiousDisease; Microbiology; Mono; Mononucleosis; Neuro; Neurology; Point in time; Random; SmQn; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Titer; Titered; Titre; 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 (CSF) [Titer]Epstein Barr virus capsid IgA Ab [Titer] in Cerebral spinal fluidEBV VCA IgA Titr CSFEpstein Barr virus capsid Ab.IgAMICROEpstein Barr virus (EBV) Capsid IgA antibody, Spinal fluidTitr

Frequently asked questions

Code details

Code34639-5
SystemLOINC
Display nameEBV capsid IgA (CSF) [Titer]
DescriptionEpstein Barr virus capsid Ab.IgA
Short nameEBV VCA IgA Titr CSF
ComponentEpstein Barr virus capsid Ab.IgA
PropertyTitr
TimingPt
System (specimen)CSF
ScaleSemiQn
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.11
Last changed2.75

Consumer names

Epstein Barr virus (EBV) Capsid IgA antibody, Spinal fluid

Part names

Epstein Barr virus capsid Ab.IgATitrPtCSFSemiQnEpstein Barr virus capsid IgATiterPoint in time (spot)Cerebral spinal fluid

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 34639-5 | HealthAssure