LOINC Code 15610-9: Cat epithelium IgE RAST class (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 Cat epithelium 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: DEPRECATED
• Order vs observation: Observation

What it does not mean

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

Key facts

• Deprecated Cat epithelium IgE Ab RAST class in Serum
• Cat epithelium Ab.IgE.RAST class
• We reviewed the major allergy testing manufacturers and found that they all use the same allergen code, e1, but use different test descriptions (dander, epithelium, hair)
• ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Epithelia; Feline; Felis domesticus; IgE RAST; Immune globulin E; Immunoglobulin E; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; 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