2 - 7 days
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As part of the diagnostic workup of suspected insulinoma; as part of the diagnostic workup of patients with suspected prohormone convertases1/3 deficiency; as part of the diagnostic workup of patients with suspected proinsulin mutations.
3.6 - 22 pmol/L
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in a chilled lavender top tube from a fasting patient. Chill the whole blood on ice for at least 10 minutes, spin down in a refrigerated centrifuge, aliquot plasma into a plastic vial and freeze. If specimen processing equipment is not available, the patient should have the specimen collected at a UM Medical Center Center Blood Drawing station.