LOINCActiveBoth

LOINC Code 29662-4: VZV IgM IA Ql (S)

29662-4 is a LOINC code used to identify VZV IgM IA 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 Varicella zoster virus Ab.IgM. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 21 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.IgM. 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: IA

What it does not mean

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

Key facts

  • Varicella zoster virus IgM Ab [Presence] in Serum by Immunoassay
  • Varicella zoster virus Ab.IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Chicken pox; Chicken pox virus; Chickenpox; EIA; ELFA; ELISA; Enzyme immunoassay; Herpes zoster; HHV-3; Human herpesvirus 3; IAA; ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; Shingles; SR; SUDS; 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 IgM IA Ql (S)Varicella zoster virus IgM Ab [Presence] in Serum by ImmunoassayVZV IgM Ser Ql IAVaricella zoster virus Ab.IgMMICROVaricella zoster virus (VZV; Chickenpox) IgM antibody, BloodPrThr

Frequently asked questions

Code details

Code29662-4
SystemLOINC
Display nameVZV IgM IA Ql (S)
DescriptionVaricella zoster virus Ab.IgM
Short nameVZV IgM Ser Ql IA
ComponentVaricella zoster virus Ab.IgM
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.03
Last changed2.73

Consumer names

Varicella zoster virus (VZV; Chickenpox) IgM antibody, Blood

Part names

Varicella zoster virus Ab.IgMPrThrPtSerOrdIAVaricella zoster virus IgMPresence or ThresholdPoint in time (spot)SerumImmunoassay

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 29662-4 | HealthAssure