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HelpTest ID BLOD0203 Proinsulin, Plasma
Reporting Name
Proinsulin, PUseful 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
Performing Laboratory
Mayo Clinic Laboratories in Rochester
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
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma EDTA | Frozen | 30 days |
Reference Values
3.6-22 pmol/L
Day(s) Performed
Tuesday, Friday
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.CPT Code Information
84206
Report Available
2 to 5 daysReject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Method Name
Electrochemiluminescent Immunoassay (ECLIA)
Secondary ID
80908Sanford Interface Build Information
| Result Code | Result Code Description |
|---|---|
| 3319 | Proinsulin |