One 5 mL gold (SSTl) top tube.

2.8 mL serum ambient (Min: 1.3 mL).

* Collection Instructions *

Specify age and sex on test request form.

Red-top tube (no gel):

• Allow blood to clot at room temperature.
• Centrifuge to separate the serum from the cells and immediately pour serum into a plastic transport tube.

Serum separator tube:

• Allow blood to clot at room temperature, centrifuge, and remove serum from the gel immediately (not to exceed 48 hours) by pouring serum into a plastic transport tube.

Administration of STRENSIQ may interfere in certain assay sand may falsely elevate values. For patients receiving STRENSIQ, consideration should be given to using alternate methods.

Ambient: 7 days

Refrigerated: 7 days

Frozen: 28 days

• Gross hemolysis
• Grossly lipemic