PSA Free and Total

Description:
Please Note: Due to ordering restrictions placed on certain tests, this test can ONLY be ordered by Male clients.
In this profile, free PSA is performed and percent free PSA is calculated, regardless of the concentration of total PSA. The interpretive guidelines provided for percent free PSA are based on a population of men with normal digital rectal exam (DRE) and total PSA between 4.0 and 10.0 ng/mL.

Includes: PSA, Free:Total Ratio

Patient Instructions: For accurate test results, no ejaculation during the 24 hours preceding the test. This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H or coenzyme R). It is recommended to stop biotin consumption at least 72 hours prior to the collection of specimen.

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