PROSTATE SPECIFIC ANTIGEN / PSA

LABORATORY SECTION:

• Serology/Immunology

METHODOLOGY:

• fluorescence immunoassay (FIA)
• sandwich immunodetection method

PURPOSE:

• aids in the management and monitoring of prostate cancer or other prostate disorder
• helps to determine the necessity for a biopsy
• to monitor the effectiveness of treatment for prostate cancer
• to detect recurrence of prostate cancer

PATIENT PREPARATION:

• No patient preparation needed

TYPE OF SPECIMEN:

• 2-3 mL of serum (red top)

REJECTION OF SPECIMEN:

• Hemolyzed specimen
• Improperly labeled tube

RUNNING DAY:

• Everyday

SPECIMEN STABILITY:

• ROOM TEMPERATURE (20-24°C)

• REFRIGERATED TEMPERATURE (2-8°C)

• 5 days

• 7 days

RELEASING OF RESULTS:

• 2-3 hours after blood extraction