Proinsulin is the precursor of insulin & C-peptide and its levels may be elevated in patients with insulin producing Islet cell tumors. This assay is useful as a part of the diagnostic workup of suspected Insulinoma, PC1/3 deficiency and in patients with suspected Proinsulin mutations.
Sample by 7th of the month; Report after 2â3 weeks
Overnight fasting is mandatory. Duly filled Test Send Out Consent Form (Form 35) is mandatory.
2 mL (1 mL min.) serum from 1 SST. Ship refrigerated or frozen. Overnight fasting is mandatory. Duly filled Test Send Out Consent Form (Form 35) is mandatory.