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 40943-3: Yellow Jacket IgE (S) [Mass/Vol]

Name: LOINC Code 40943-3: Yellow Jacket IgE (S) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

40943-3 is a LOINC code used to identify Yellow Jacket IgE (S) [Mass/Vol] 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 Vespula spp Ab.IgE. 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 Vespula spp Ab.IgE. 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

What it does not mean

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

Key facts

Yellow Jacket IgE Ab [Mass/volume] in Serum
Vespula spp Ab.IgE
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Common wasp; i003; i3; Immune globulin E; Immunoglobulin E; Level; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; Vespula sp; Yellow jacket; Yellow wasp

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 Yellow Jacket IgE (S) [Mass/Vol] (40943-3)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Yellow Jacket IgE (S) [Mass/Vol]Yellow Jacket IgE Ab [Mass/volume] in SerumYellow Jacket IgE-mCncVespula spp Ab.IgEALLERGYYellow Jacket allergy testMCnc

Frequently asked questions

Code details

Code40943-3

SystemLOINC

Display nameYellow Jacket IgE (S) [Mass/Vol]

DescriptionVespula spp Ab.IgE

Short nameYellow Jacket IgE-mCnc

ComponentVespula spp Ab.IgE

PropertyMCnc

TimingPt

System (specimen)Ser

ScaleQn

ClassALLERGY

Example unitsug/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.15

Last changed2.40

Consumer names

Yellow Jacket allergy test

Part names

Vespula spp Ab.IgEMCncPtSerQnYellow Jacket (Vespula spp) IgEMass ConcentrationPoint in time (spot)Serum

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.