LOINC Code 16921-9: St. Augustine grass 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 Stenotaphrum secundatum 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

• St. Augustine grass IgE Ab [Units/volume] in Serum
• Stenotaphrum secundatum Ab.IgE
• ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Immune globulin E; Immunoglobulin E; Point in time; QNT; Quan; Quant; Quantitative; Random; Saint augustine grass; Serum; SR; St. Augustine grass

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