Vasoactive Intestinal Polypeptide

Source	Blood
Mnemonic	VIP
Specimen Requirements	2 x 4 mL lavender top EDTA tubes 3 mL plasma preferred; minimum 1.1 mL plasma
Specimen Handling	PSC & RRL: Centrifuge, pour off, and transport plasma to DSC. Extra-regional: Centrifuge, pour off, and freeze plasma prior to transport to DSC. DSC: Freeze specimens upon receipt in lab; ensure frozen specimens do not thaw.
Additional Information
Testing Location	Quest Diagnostics
Testing Frequency
Alternate Name(s)
Reference Interval

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