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Methodology: Radioimmunoassay (RIA)
Edit Date: 6/11/2010
Performed: Wednesday
Released: 2-10 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 86337-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST).
Handling: Allow to clot, centrifuge and separate serum from cells and pour into a plastic vial. Refrigerate.
Stability: 24 hours ambient, 7 days refrigerated, or 2 months frozen.
Standard Volume: 0.5 mL serum.
Minimum Volume: 100 µL serum.
Transport: Refrigerated, or frozen on dry ice.

This assay quantitatively measures human serum autoantibodies to endogenous insulin or antibodies to exogenous insulin.

Negative 0.4 Kronus units/mL or less
Positive 0.5 Kronus units/mL or greater
Kronus units are arbitrary units. Kronus untis = U/mL.

PeaceHealth Laboratories