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HelpTest Code PRINSM Proinsulin, Plasma
Additional Codes
| Mayo | PINS |
| Epic ID | LAB1086 |
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 |
Transport frozen.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Electrochemiluminescent Immunoassay (ECLIA)
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
Day(s) Performed
Tuesday, Friday
Report Available
2 to 5 daysReference Values
3.6-22 pmol/L
CPT Code Information
84206