LOINCActiveBoth

LOINC Code 41512-5: VZV IgG IF Ql (S)

41512-5 is a LOINC code used to identify VZV IgG IF 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.IgG. 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.IgG. 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

  • Varicella zoster virus IgG Ab [Presence] in Serum by Immunofluorescence
  • Varicella zoster virus Ab.IgG
  • ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Chicken pox; Chicken pox virus; Chickenpox; FA; Fluorescent antibody; Fluoresent; Herpes zoster; HHV-3; Human herpesvirus 3; ID; IFA; Immune fluorescence; Immune globulin G; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin G; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; Shingles; SR; Time Resolved Fluorescence; TRF; 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 IgG IF Ql (S)Varicella zoster virus IgG Ab [Presence] in Serum by ImmunofluorescenceVZV IgG Ser Ql IFVaricella zoster virus Ab.IgGMICROVaricella zoster virus (VZV; Chickenpox) IgG antibody, BloodPrThr

Frequently asked questions

Code details

Code41512-5
SystemLOINC
Display nameVZV IgG IF Ql (S)
DescriptionVaricella zoster virus Ab.IgG
Short nameVZV IgG Ser Ql IF
ComponentVaricella zoster virus Ab.IgG
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIF
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.56

Consumer names

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

Part names

Varicella zoster virus Ab.IgGPrThrPtSerOrdIFVaricella zoster virus IgGPresence or ThresholdPoint 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 41512-5 | HealthAssure