Specimen Requirements

This procedure must be scheduled in advance.  Call St. Joseph Hospital Lab at 603-598-3323 to schedule test.

Fasting (12 hrs) is required for this test.

Preferred:

Plasma

Draw blood in a light green-top (lithium heparin PST) or gray top (potassium oxalate/sodium fluoride) tube(s). (Hemolyzed specimen is not acceptable.) Spin down, separate plasma from cells within 2 hours of collection, and send 1 mL of plasma refrigerated.

Note:  Label specimen as “plasma”.

Acceptable:

Serum

Draw blood in a plain, red-top tube(s) or a serum gel tube(s). (Hemolyzed specimen is not acceptable.) Spin down, separate serum from cells within 2 hours of collection, and send 1 mL of serum refrigerated.

Note:  Label specimen as “serum”