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 an ice cooled lavender top tube. Place specimen on wet ice and deliver to Specimen Processing within 10 minutes of collection.
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.