Specimen Requirements

Patient Preparation

Patient should be calm and seated for 15 minutes prior to collection. Alternately, patient may be calm and supine for 30 minutes prior to collection. Drugs and medications may affect results and should be discontinued for 72 hours prior to specimen collection, if possible.

Collect

Green (sodium or lithium heparin), lavender (EDTA). Collect on ice.

Specimen Preparation

Specimen should be centrifuged and frozen within one hour (refrigerated centrifuge is preferred but not required). Transfer 3 mL plasma to an ARUP standard transport tube(Min: 1.1 mL)

Unacceptable Conditions

Serum or urine.