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Secretin Stimulation Test

Name:    Secretin Stimulation Test
Note:    Used to assess for gastrinoma.
Processing Info:    Procedure is performed in MD office

Lab orders:
Prior to secretin administration 2 blood samples (one at minus 5 minutes and one at time just prior to secretin administration) should be drawn to determine baseline fasting gastrin levels.

Following secretin administration serum gastrin levels should be drawn at 1 minute, 2 minutes, 5 minutes, 10 minutes and 30 minutes.

This test is not orderable in the lab's system. 7 individual gastrin levels must be ordered. Document exactly the times of collection on both the tubes and labels, since the samples will have to be poured off into aliquot tubes.