Insulin

Source	Blood
Mnemonic	INS Serial collections: SERINS
Specimen Requirements	1 x 5 mL light green (mint) top PST tube. Gold top SST tube also acceptable. 0.5 mL plasma or serum Pediatric: 1.0 mL whole blood Required fasting - 8 hours
Specimen Handling	Extra-regional: Freeze serum for transport to DSC.
Additional Information	Serial collections may be performed. RECORD collection times on tube and on requisition.
Testing Location	RIA
Testing Frequency	Weekdays
Alternate Name(s)
Reference Interval	Fasting: <120 pmol/L

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