allergen. 1. a substance, protein or nonprotein, capable of inducing allergy or specific hypersensitivity. 2. a purified protein of a food (such as milk, eggs, or wheat), bacterium, or pollen. adj., adj allergenÂ´ic. Allergens are used to test a patient for hypersensitivity to specific substances (see skin test).. an extract of any substance known to cause allergy. Allergens are used to test a patient for hypersensitivity to specific substances (see skin test). They are also used to densensitize or hyposensitize allergic individuals. See immunotherapy. Almost any substance in the environment can be an allergen.
The prognosis of Kidney stones may include the duration of Kidney stones, chances of complications of Kidney stones, probable outcomes, prospects for recovery, recovery period for Kidney stones, survival rates, death rates, and other outcome possibilities in the overall prognosis of Kidney stones.
Tests to monitor kidney function. If a person has been diagnosed with a kidney disease, several laboratory tests may be ordered to help monitor kidney function. Some of these include: 1  Blood levels of BUN and creatinine are measured from time to time to see if the kidney disease is getting worse.ome additional tests that may be ordered to evaluate for kidney disease include: 1  Urea (urea nitrogen or BUN) âthe level of this waste product in the blood increases as kidney filtration declines.