LOINC Code 104644-0: Cobalt IgE RAST (S) [Presence]

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 Cobalt 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: Observation
• Method: RAST

What it does not mean

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

Key facts

• Cobalt IgE Ab [Presence] in Serum by Radioallergosorbent test (RAST)
• Cobalt Ab.IgE
• This test is a specific immunological test that measures the level of Immunoglobulin E (IgE) antibodies against cobalt in a person's blood serum. IgE antibodies are produced by the immune system in response to exposure to certain allergens or substances, and their presence indicates an allergic reaction. This test is used to help diagnose occupational asthma or other respiratory allergic conditions caused by exposure to cobalt, which is a low molecular weight agent commonly found in various industrial and manufacturing settings.[PMID 7939614]
• ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; c617; CO; Immune globulin E; Immunoglobulin E; Point in time; PR; Radioallergosorbent test; 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

Frequently asked questions