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Test Listing: Prostate Specific Antigen

Analyzer
Abbrev PSA
Analyte Prostate Specific Antigen
Department Immunoassay
Specimen Type Serum
Alternate Specimen Type N/A
Specimen Stability Requirements Transport refrigerated within 24 hours after collection
Preferred Specimen 1mL Serum
Minimum Volume 0.5mL
Collection Instructions Specimens for PSA testing should be drawn prior to such prostatic manipulations as a digital rectal exam (DRE), prostatic massage, transrectal ultrasound (TRUS), and prostatic biopsy. DRE may cause a transient increase in serum PSA levels. A repeat PSA measurement in the case of borderline elevation has been recommended. A 6 week waiting period between needle biopsy and PSA sampling has been recommended. The 5 alpha-reductase inhibitor drugs may affect PSA levels in some patients. Other drugs used to treat benign prostatic hyperplasia (BPH) may also affect PSA levels.
Specimen Instructions Allow serum samples to clot completely before centrifugation. Serum gel tubes should be centrifuged within 2 hours of collection. Red-top tubes should be centrifuged and aliquoted to a plastic transport tube within 2 hours of collection. Avoid hemolysis. Gel tubes should be spun at room temperature at a speed of 1000 to 1300 RCF for 10 minutes in a swinging bucket centrifuge and 15 minutes in a fixed-angle centrifuge. Non-gel serum tubes can be centrifuged at ≤ 1300 RCF for 10 minutes. After centrifugation refrigerates the samples at 2 to 8°C.
Reasons for Rejection Improper labeling; quantity not sufficient for analysis; improper specimen type; expired stability.
CPT Code 84153

Test Listing: Prostate Specific Antigen

Analyzer
Abbrev PSA
Analyte Prostate Specific Antigen
Department Immunoassay
Specimen Type Serum
Alternate Specimen Type N/A
Specimen Stability Requirements Transport refrigerated within 24 hours after collection
Preferred Specimen 1mL Serum
Minimum Volume 0.5mL
Collection Instructions Specimens for PSA testing should be drawn prior to such prostatic manipulations as a digital rectal exam (DRE), prostatic massage, transrectal ultrasound (TRUS), and prostatic biopsy. DRE may cause a transient increase in serum PSA levels. A repeat PSA measurement in the case of borderline elevation has been recommended. A 6 week waiting period between needle biopsy and PSA sampling has been recommended. The 5 alpha-reductase inhibitor drugs may affect PSA levels in some patients. Other drugs used to treat benign prostatic hyperplasia (BPH) may also affect PSA levels.
Specimen Instructions Allow serum samples to clot completely before centrifugation. Serum gel tubes should be centrifuged within 2 hours of collection. Red-top tubes should be centrifuged and aliquoted to a plastic transport tube within 2 hours of collection. Avoid hemolysis. Gel tubes should be spun at room temperature at a speed of 1000 to 1300 RCF for 10 minutes in a swinging bucket centrifuge and 15 minutes in a fixed-angle centrifuge. Non-gel serum tubes can be centrifuged at ≤ 1300 RCF for 10 minutes. After centrifugation refrigerates the samples at 2 to 8°C.
Reasons for Rejection Improper labeling; quantity not sufficient for analysis; improper specimen type; expired stability.
CPT Code 84153
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