LOINC Code 73718-9: Isocyanate HDI+MDI+TDI+Phthalic anhydride IgE Multidisk Qn (S)

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. 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: 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 [Units/volume] in Serum by Multidisk
• (Hexamethylene diisocyanate (HDI)+Diphenylmethane diisocyanate (MDI)+Toluene diisocyanate (TDI)+Phthalic anhydride) Ab.IgE
• 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; Arbitrary concentration; Autoantibodies; Autoantibody; HDI; Hexane 1,6-diisocyanate; HMDI; 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; 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.

Common synonyms

Frequently asked questions