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Calcitonin Stimulation Test
|Test code||CATN x mult|
|Performed by||Quest performs calcitonin testing|
|Patient Preparation||An 8 hour fast before specimen collection is preferred|
|Collection Instructions||Pentagastrin stimulation: Collect specimens taken before and 1, 2 and 5 minutes after the administration iv over 5 seconds of 0.5 µg/kg.
Pentagastrin/Calcium Infusion: Give 2 mg/kg iv of elemental calcium (usually as the gluconate) at a constant rate over 1 min; followed immediately with iv pentagastrin as described above. Collect specimens at the same times.
|Amount to Collect||2 mL blood per sample|
|Preferred volume||1 mL serum|
|Min. Volume||0.5 mL serum|
|Processing notes||Process individual specimens as described above; be sure to enter any descriptive information supplied.
Freeze separated serum at -20C. Order Quest # 30742X
|Normal range|| Normal response:
|Turn around times||Test set up Tuesday-Saturday. Turnaround time: 5-8 days|
|Additional information||The combined stimuli are usually reserved for those who do not respond to pentagastrin alone.|
|Last Updated||6/16/2008 3:04:56 PM|
If you have additional questions regarding this test, please call: 415-353-1667