Schilling test (redirected from Shillings test)

Schil·ling test (shlng)

n.

A test for determining the amount of vitamin B₁₂ excreted in the urine, in which vitamin B₁₂ tagged with a radioisotope is taken orally and quantified in urine samples.

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Schilling test

see vitamin B₁₂ absorption test.

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Schilling test Vitamin B₁₂ absorption test A test that evaluates ability to absorb vitamin B₁₂, which is ↓ without intrinsic factor, a glycoprotein produced by the gastric parietal cells. See Vitamin B₁₂ deficiency.