Test ID: Z0532
CPT code: 84206
LOINC: 27882-0
Specimen Type: Red or SST
Frequency: 3 – 5 days
Instructions: 0.6 mL Serum from Red or SST, Frozen. Min 0.4 mL.
Text: High proinsulin concentrations have been associated with benign or malignant β-cell tumors of the pancreas and endocrine pancreatic tumors associated with MEN-1. Elevated proinsulin levels have been observed in individuals with impaired glucose tolerance even in the absence of abnormal glucose or C-peptide levels.
Methodology: Enzyme immunoassay (EIA)