Additional Specimen Instructions

Patient Preparation

     Patient should be calm and supine for 30 minutes prior to collection.

Collect

     Green (sodium or lithium heparin). Collect on ice.

Specimen Preparation

     Specimen should be centrifuged and frozen within one hour.

     Transfer 4 mL plasma to an ARUP Standard Transport Tube. (Min: 2.1mL)

Storage/Transport Temperature

     CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions

     EDTA plasma, serum, or urine.

Stability

     After separation from cells:

     Ambient: Unacceptable;

     Refrigerated: Unacceptable;

     Frozen at -20°C: 1 month;

     Frozen at -70°C: 1 year