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 7430-2: Isocyanate MDI IgE Qn (S)

Name: LOINC Code 7430-2: Isocyanate MDI IgE Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

7430-2 is a LOINC code used to identify Isocyanate MDI IgE Qn (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 Diphenylmethane diisocyanate (MDI) 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 Diphenylmethane diisocyanate (MDI) 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

Isocyanate MDI IgE Ab [Units/volume] in Serum
Diphenylmethane diisocyanate (MDI) Ab.IgE
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Immune globulin E; Immunoglobulin E; Isocyanate MDI; k76; Methyl bisphenyl isocyanate; Point in time; Polymethylene polyphenyl isocyanate; QNT; Quan; Quant; Quantitative; Random; Serum; SR

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 Isocyanate MDI IgE Qn (S) (7430-2)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Isocyanate MDI IgE Qn (S)Isocyanate MDI IgE Ab [Units/volume] in SerumIsocyanate MDI IgE QnDiphenylmethane diisocyanate (MDI) Ab.IgEALLERGYIsocyanate MDI allergy testACnc

Frequently asked questions

Code details

Code7430-2

SystemLOINC

Display nameIsocyanate MDI IgE Qn (S)

DescriptionDiphenylmethane diisocyanate (MDI) Ab.IgE

Short nameIsocyanate MDI IgE Qn

ComponentDiphenylmethane diisocyanate (MDI) Ab.IgE

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassALLERGY

Example unitskIU/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0h(2)

Last changed2.73

Consumer names

Isocyanate MDI allergy test

Part names

Diphenylmethane diisocyanate (MDI) Ab.IgEACncPtSerQnIsocyanate MDI IgEArbitrary 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.