Schilling test

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Schilling test (shil-ing) n. a test used to assess a patient's capacity to absorb vitamin B12 from the bowel. Radioactive vitamin B12 is given by mouth and urine collected. A patient with pernicious anaemia will excrete less than 5% of the original dose over a period of 24 hours. [ R. F. Schilling (1919– ), US physician]

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Schilling Test A test of vitamin B12 nutritional status and absorption.