LOINCActiveBoth

LOINC Code 5402-3: VZV Ab LA (S) [Titer]

5402-3 is a LOINC code used to identify VZV Ab LA (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 Varicella zoster virus Ab. 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 Varicella zoster virus Ab. 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: LA

What it does not mean

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

Key facts

  • Varicella zoster virus Ab [Titer] in Serum by Latex agglutination
  • Varicella zoster virus Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Chicken pox; Chicken pox virus; Chickenpox; Dilution factor; Dilution Factor (Titer); Herpes zoster; HHV-3; Human herpesvirus 3; ID; Infectious Disease; InfectiousDisease; LAT; Latex agglutination; Microbiology; Point in time; Random; Serum; Shingles; SmQn; SR; Titer; Titered; Titre; Ttr; VZ; VZV; Zoster

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

VZV Ab LA (S) [Titer]Varicella zoster virus Ab [Titer] in Serum by Latex agglutinationVZV Ab Titr Ser LAVaricella zoster virus AbMICROVaricella zoster virus (VZV; Chickenpox) antibody, BloodTitr

Frequently asked questions

Code details

Code5402-3
SystemLOINC
Display nameVZV Ab LA (S) [Titer]
DescriptionVaricella zoster virus Ab
Short nameVZV Ab Titr Ser LA
ComponentVaricella zoster virus Ab
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodLA
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Varicella zoster virus (VZV; Chickenpox) antibody, Blood

Part names

Varicella zoster virus AbTitrPtSerSemiQnLATiterPoint in time (spot)SerumLatex agglutination

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 5402-3 | HealthAssure