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Common Test-Ordering Errors
Part 1: Misordered Tests

1,25-Dihydroxyvitamin D
PTH-related Peptide
Uroporphyrinogen III Synthase


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Vitamin D Assessment

Slide 5

April 2010

The test for 1,25-Dihydroxyvitamin D is our #1 misordered test. 1,25-Dihydroxyvitamin D is often inappropriately ordered when the test for 25-Hydroxyvitamin D is indicated.

First, a bit of background to put this situation in proper context.

Vitamin D Assessment


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