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Prostate Specific Antigen, Total

Alternative Names/Synonyms	PSA, TPSA, Total PSA, Ultrasensitive PSA
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Biochemistry
Specimen Type	Blood
Test Code	Screnning: PSA3S, PSP3S Monitoring: PS3, PSP3

Clinical Significance

Evaluating risk of and monitoring prostate cancer.

Specimen Requirements (Sample Type)

Serum, Plasma

Specimen Requirements (Volume (mL))

0.5 mL

Specimen Requirements (Tube Type)

Serum (Gold SST)
Plasma (Light Green PST)
Collection Containers – Tube Types

Collection Requirements

Blood Collection Instructions

Sample Stability

Room Temperature: N/A

Fridge: 5 days @ 2-8°C

Freezer: 6 months @ -20°C

Cause for Rejection

Specimen Acceptability and Transport Guidance

Instrument, Methodology

Roche cobas e 602, immunoassay

Test Availability

24 hours a day, 7 days a week

STAT Turnaround Time

1 hour

Routine Turnaround Time

3 hours

Reference Ranges

0.0 - 4.0 ug/L

In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.

Laboratory Contact Information

416-586-4800 extension 4688

Ordering Practices

Screening is not funded by OHIP while monitoring is funded by OHIP.

Funded for patients with OHIP

Only for monitoring purposes.