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HelpCatalog ID PINS 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 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
Collection Instructions:
1. After collection, place the whole blood on ice for at least 10 minutes, then centrifuge at refrigerated temperature.
2. Aliquot plasma into a plastic vial and send frozen.
Collect 1.2 ml blood in Purple top tube and place on ice.
Reference Values
3.6-22 pmol/L
Specimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma EDTA | Frozen | 30 days |
Day(s) Performed
Tuesday, Friday
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Plasma EDTAReject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Reporting Name
Proinsulin, PMethod Name
Electrochemiluminescent Assay
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
Secondary ID
80908LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PINS | Proinsulin, P | 27882-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 80908 | Proinsulin, P | 27882-0 |