LOINCActiveObservation

LOINC Code 82093-6: Isocyanate HDI+MDI+TDI+Phthalic anhydride IgE RAST class Multidisk (S) [Presence]

82093-6 is a LOINC code used to identify Isocyanate HDI+MDI+TDI+Phthalic anhydride IgE RAST class Multidisk (S) [Presence] 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 (Hexamethylene diisocyanate (HDI)+Diphenylmethane diisocyanate (MDI)+Toluene diisocyanate (TDI)+Phthalic anhydride) Ab.IgE.RAST class. 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 (Hexamethylene diisocyanate (HDI)+Diphenylmethane diisocyanate (MDI)+Toluene diisocyanate (TDI)+Phthalic anhydride) Ab.IgE.RAST class. 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: Observation
  • Method: Multidisk

What it does not mean

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

Key facts

  • Occupational Allergen Mix 5 (Isocyanate HDI+MDI+TDI+Phthalic anhydride) IgE Ab RAST class [Presence] in Serum by Multidisk
  • (Hexamethylene diisocyanate (HDI)+Diphenylmethane diisocyanate (MDI)+Toluene diisocyanate (TDI)+Phthalic anhydride) Ab.IgE.RAST class
  • 1,2-benzenedicarboxylic acid anhydride; 1,2-benzenedicarboxylic anhydride; 1,3-dioxophthalan; 1,3-isobenzofurandione; 1,3-phthalandione; 1,6-diisocyanatohexane; 1,6-hexamethylene diisocyanate; 1,6-hexanediol diisocyanate; 1,6-hexylene diisocyanate; ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Allerscan; Anhydrid; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; HDI; Hexane 1,6-diisocyanate; HMDI; IgE RAST; Immune globulin E; Immunoglobulin E; Isocyanate HDI; Isocyanate MDI; Isocyanate TDI; Isocyanates; k75; k76; k77; k79; Methyl bisphenyl isocyanate; Methylbenzene; Occup Allerg Mix5; PAN; pax5; Phthalandione; Phthalic anhydride Ab.IgE.RAST class; Point in time; Polymethylene polyphenyl isocyanate; PR; Random; Serum; SmQn; 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.

Common synonyms

Isocyanate HDI+MDI+TDI+Phthalic anhydride IgE RAST class Multidisk (S) [Presence]Occupational Allergen Mix 5 (Isocyanate HDI+MDI+TDI+Phthalic anhydride) IgE Ab RAST class [Presence] in Serum by MultidiskOccup Allerg Mix5 IgE RAST(Hexamethylene diisocyanate (HDI)+Diphenylmethane diisocyanate (MDI)+Toluene diisocyanate (TDI)+Phthalic anhydride) Ab.IgE.RAST classALLERGYOccupational Mix (Isocyanate HDI, MDI, TDI, Phthalic Anhydride) allergy testPrThr

Frequently asked questions

Code details

Code82093-6
SystemLOINC
Display nameIsocyanate HDI+MDI+TDI+Phthalic anhydride IgE RAST class Multidisk (S) [Presence]
Description(Hexamethylene diisocyanate (HDI)+Diphenylmethane diisocyanate (MDI)+Toluene diisocyanate (TDI)+Phthalic anhydride) Ab.IgE.RAST class
Short nameOccup Allerg Mix5 IgE RAST
Component(Hexamethylene diisocyanate (HDI)+Diphenylmethane diisocyanate (MDI)+Toluene diisocyanate (TDI)+Phthalic anhydride) Ab.IgE.RAST class
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodMultidisk
ClassALLERGY
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.56
Last changed2.75

Consumer names

Occupational Mix (Isocyanate HDI, MDI, TDI, Phthalic Anhydride) allergy test

Part names

(Hexamethylene diisocyanate (HDI)+Diphenylmethane diisocyanate (MDI)+Toluene diisocyanate (TDI)+Phthalic anhydride) Ab.IgE.RAST classPrThrPtSerSemiQnMultidiskPresence or ThresholdPoint 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.

LOINC Code 82093-6 | HealthAssure