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87460:PROINSULIN
Methodology:Two-Site Enzyme Immunoassay (EIA)
Edit Date:6/11/2010
Performed:Tuesday, Thursday
Released:1-6 days after setup at PeaceHealth Laboratories’ reference lab
CPT Code:84206-90
Specimen Collection Details
Collection:One 7.5 mL serum separator tube (SST). Also acceptable: EDTA plasma. Patient must be fasting 12-15 hours before collection.
Handling:Allow to clot, centrifuge in a refrigerated centrifuge, and immediately separate serum or plasma from cells. Freeze. If multiple tests are ordered, send a separate specimen for this test.
Stability:7 days refrigerated or 3 months frozen. Specimen unstable ambient.
Standard Volume:1 mL serum or plasma.
Minimum Volume:200 µL serum or plasma.
Transport:Frozen on dry ice.
Rejection Criteria:Ambient specimen.
0-1 year: Not established
2 years & over: 2.1-26.8 pmol/L