Specimen Requirements

Plasma

Please use preferred tube types whenever possible.

Preferred Container/Tube Type: Green Top (Lithium Heparin) Tube

Alternate Serum Separator Tube (SST)

Transport refrigerated.

Urine

Container/Tube: 24 Hour Plastic Urine Container

Specimen Volume: Entire 24-hour urine collection

Collection Instructions: No preservative.

Note: Starting and ending times of collection are required.

Transport Refrigerated

NOTE:
Serum specimen should be obtained during the 24-hour period of urine collection.
Patient height and weight must be obtained.