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Test Code PINS Proinsulin, Plasma

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Plasma EDTA


Specimen Required


Patient Preparation:

1.Patient should fast for 8 hours before specimen collection.

2. 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.


Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma EDTA Frozen 30 days

Reference Values

3.6-22 pmol/L

Day(s) Performed

Tuesday, Friday

CPT Code Information

84206

Report Available

2 to 5 days

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

Method Name

Electrochemiluminescent Assay

Secondary ID

80908