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HelpTest ID BLOD0203 Proinsulin, Plasma
Useful For
As part of the diagnostic workup of suspected insulinoma
As part of the diagnostic workup of patients with suspected prohormone convertase 1/3 deficiency
As part of the diagnostic workup of patients with suspected proinsulin variations
Specimen Type
Plasma EDTASpecimen Required
Patient Preparation:
Fasting: 8 hours, required; Infants younger than 2 years should fast a maximum of 6 hours
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Ice-cooled, lavender top (EDTA)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL Plasma
Collection Instructions:
1. Immediately after draw, place the whole blood on ice for at least 10 minutes.
2. Centrifuge at refrigerated temperature, aliquot plasma into a plastic vial, and freeze specimen.
Specimen Minimum Volume
Plasma: 0.25 mL
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma EDTA | Frozen | 30 days |
Day(s) Performed
Tuesday, Friday
Report Available
2 to 5 daysMethod Name
Electrochemiluminescent Immunoassay (ECLIA)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84206
Reporting Name
Proinsulin, PReference Values
3.6-22 pmol/L
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Secondary ID
80908SANFORD INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 3319 | Proinsulin |