One 5 mL gold (SST) top tube.

1 mL serum frozen (Min: 0.5 mL).

* Collection Instructions *

• Samples must be obtained before rectal examination, biopsy, prostatectomy or prostatic massage, since manipulating the prostate gland may lead to elevated PAP levels persisting up to 24-48 hours.
• Specimens must be frozen if received by the laboratory greater than 24 hours after collection.

Ambient: 24 hours

Refrigerated: 24 hours

Frozen: 28 days

Gross hemolysis