What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 42497-8: EBV early Ab (CSF) [Titer]

Name: LOINC Code 42497-8: EBV early Ab (CSF) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

42497-8 is a LOINC code used to identify EBV early Ab (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 early Ab. 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 early Ab. 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 early Ab [Titer] in Cerebral spinal fluid
Epstein Barr virus early Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; Dilution factor; Dilution Factor (Titer); EA; EBV; EBV EA; Epstn; HHV-4; human herpesvirus 4; ID; 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

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for EBV early Ab (CSF) [Titer] (42497-8)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

EBV early Ab (CSF) [Titer]Epstein Barr virus early Ab [Titer] in Cerebral spinal fluidEBV EA Ab Titr CSFEpstein Barr virus early AbMICROEpstein Barr virus (EBV) Early antibody, Spinal fluidTitr

Frequently asked questions

Code details

Code42497-8

SystemLOINC

Display nameEBV early Ab (CSF) [Titer]

DescriptionEpstein Barr virus early Ab

Short nameEBV EA Ab Titr CSF

ComponentEpstein Barr virus early Ab

PropertyTitr

TimingPt

System (specimen)CSF

ScaleSemiQn

ClassMICRO

Example unitstiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.16

Last changed2.75

Consumer names

Epstein Barr virus (EBV) Early antibody, Spinal fluid

Part names

Epstein Barr virus early AbTitrPtCSFSemiQnTiterPoint 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.