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PROSTATE SPECIFIC AG, DIAGNOSTIC (TOTAL)
MessageSerum is the only acceptable sample type; do not send plasma.
Test Code
PSA
CPT Codes
84153
Preferred Specimen
1 Gold tube (gel separator)
Minimum Volume
0.5 mL
Other Acceptable Specimens
or 1 Red tube
Instructions
Serum is the only acceptable sample type; do not send plasma. Centrifuge for complete separation of serum and red cells. If Red top is used, aliquot (transfer) serum into a transfer tube and refrigerate.
Transport Temperature
Refrigerate
Specimen Stability
- 2-8°C up to 7 days
- Frozen up to 5 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed samples
Methodology
ECLIA (EIA by Chemiluninescence)
Setup Schedule
M, T, W, Th, F, Sa, Sun
Report Available
Within 24 hours of receipt at the performing laboratory.
Reference Range
Male:
- <40 years = <1.4 ng/mL
- <50 years = <2.0 ng/mL
- <60 years = <3.1 ng/mL
- <70 years = <4.1 ng/mL
- >70 years = <4.4 ng/mL
Clinical Significance
As an aid in the detection of prostate cancer in men aged 50 years or older and serial measurements are used to aid in the management of cancer patients.
Performed By
Alverno Laboratories
Performing Laboratory
Alverno Central Lab
NCHB2 (Chemistry, Beckman DxI)
Last Updated: June 9, 2023