CPT/HCPCS
84206
Order Code
CH484
Turnaround Time
24-48 hours
Test Includes
Proinsulin
Specimen Requirements
Specimen Source
Serum
Transport Container
(Specimen Container)
(Specimen Container)
Serum Separator Tube (SST)
Preferred Specimens
Serum
Minimum Volume (uL)
0.5 mL
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Transport Frozen
Specimen Stability
| Temperature | Period |
|---|---|
| Room temperature | 24 hours |
| Refrigerated | 72 hours |
| Frozen | 90 days |
Reject Criteria
Gross hemolysis
Grossly lipemic
Received room temperature
Special Instructions
Patient Preparation
Overnight fasting is required. Transport Frozen.
Test Details
Methodology
Enzyme Linked Immunosorbent Assay (ELISA)
Clinical Significance
Proinsulin is used to diagnose insulinomas and to monitor therapy in patients with insulinomas
Reference Ranges
≤18.8 pmol/L
