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PLEASE NOTE: Recent changes have been made to this Test


 Recent changes for Free PSA

Recent changes for Free PSA

Date
Field
Changed From
Changed To
27th August 2019
Processing Instructions

Frozen

Frozen

External Transport Instructions

The Sample must be separated and Frozen. fPSA is only stable for 24 hrs Max. The total PSA must be performed before the chemical pathologist/senior scientist can determine if the request is appropriate.

The Sample must be separated and Frozen. fPSA is only stable for 24 hrs Max. The total PSA must be performed before the chemical pathologist/senior scientist can determine if the request is appropriate.

Free PSA

Ordering information:

Free PSA is only clinically useful when the Total PSA is between 2 and 10 ug/L. This test requires approval from the Chemical Pathologist prior to being referred for analysis.

Alternate names:
PSA Free
Laboratory:
Referred Test
Test Code:
PSAF
Specimen types:
Serum
Container types:
Serum tube with gelSerum tube with gel
Collection Instructions:
Transport specimen at Room Temperature to lab
Sample haemolysis may make this test unreportable
Minimum Adult Volume:
2 mL
Frequency:
Weekly
Reference Interval:

F/T PSA ratio  10-60 %

The median free PSA for men of all ages is 25%.

 https://www.prostate.org.au/media/612113/PSA-Testing-Guidelines.pdf

 

Laboratory Use Only
Storage Instructions:

Frozen

Transport Instructions:

The Sample must be separated and Frozen. fPSA is only stable for 24 hrs Max. The total PSA must be performed before the chemical pathologist/senior scientist can determine if the request is appropriate.

External Laboratory:
Melbourne Pathology
 External Laboratory details...