Specimen Requirements

RCH:

Preferred: Plasma (heparinized)

Container/Tube:  Lt Green/Mint-top (lithium heparin) tube

Specimen Volume:  1.0 mL (minimum volume:  0.55 mL)

Collection Instructions: Collection tube should be completely filled and immediately placed on ice. Avoid hemolysis. Separate from cells as soon as possible. Forward promptly.

Non-RCH sites:

Container/Tube: Purple Top - EDTA

Collection Instructions: Collect on ice. Centrifuge cold, if possible. Seperate EDTA into aliquot tube with tight lid. Courier refrigerated to SPH or STH ASAP. DO NOT FREEZE.

Samples that will exceed 3 hours shipping time, please order the Ammonia Mayo test (requires frozen EDTA plasma processed within 2 hours of collection).