LOINC Code 73837-7: Galactose-alpha-1,3-galactose (Alpha-Gal) IgE 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 Galactose-alpha-1,3-galactose 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

• Galactose-alpha-1,3-galactose (Alpha-Gal) IgE Ab [Units/volume] in Serum
• Galactose-alpha-1,3-galactose Ab.IgE
• Galactose-alpha-1,3-galactose (Alpha-Gal) IgE test may be used to help diagnose allergic responses to meat allergens in patients with a delayed onset of symptoms, such as anaphylactic reactions, 3 to 6 hours after eating beef, pork and/or lamb. IgE to Alpha-Gal is the likely cause of anaphylactic reactions. Results are calibrated against total IgE standards from WHO Reference 75/502 to generate results in kilounits (kU) of IgE.
• A1; ABS; Aby; Alfa; Allergen; Allergens; ALLERGY TESTING; Alpha-Gal; Alpha-Gal Ab; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Cerebrose; i; III; Immune globulin E; Immunoglobulin E; lone star tick; meat allergy; o215; Point in time; 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