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Post-Prostatectomy PSA
MessageThis test should be used to monitor for prostate cancer recurrence following radical prostatectomy and is reported with a lower limit of quantification of 0.05 ng/mL. The cut-off for the detection of biochemical recurrence post-prostatectomy has not been well-established.
Test Code
PSAPP
Alias/See Also
LAB0001976
Preferred Specimen
2.0 mL serum collected in a gold serum separator tube (SST)
Minimum Volume
0.5 mL serum
Other Acceptable Specimens
2.0 mL serum collected in an orange rapid clot serum separator tube (RCT)
Transport Temperature
Store centrifuged samples tightly stoppered at room temperature 15 - 30oC for no longer than eight hours. If the assay will not be completed within eight hours, refrigerate the samples at 2 - 8oC. If the assay will not be completed within 48 hours, or for shipment of samples, freeze serum at -20oC or colder.
Methodology
Immunoassay
Reference Range
<0.1 ng/mL
Performing Laboratory
Penn Medicine Lancaster General Health
