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HelpTest Code PSA Screen PSA, Screen
Aliases
Total Prostate Antigen, Screen
Patient Preparation
No special patient preparation required
Collection Method
Venous collection
Minimum Volume
- Adults: 0.8 ml
- Pediatric: 0.5 ml
Preferred Specimen
Gold Top Serum Tube
Acceptable Specimens
Serum:
- Gold Top SST
- Red Top
Reference or Target Ranges
| Male: <40 years | < 2.0 |
| Male 40 -50 years | < 2.5 |
| Male 50 - 60 years | < 3.5 |
| Male 60 -70 years | < 4.5 |
| Male 70 - 80 years | < 6.5 |
| Male > 80 years | < 7.2 |
| Females | < 0.06 |
Reportable Units
ng/mL
Critical Value
Not defined for this assay
Reasons for Rejection
<!-- Rejection-->
| Hemolysis Threshold | 500 mg/dL |
| Icterus Threshold | 40 mg/dL |
| Lipemia Threshold | 1000 mg/dL |
| Other | QNS, contaminated, improperly Labeled, improper specimen type |
Specimen Stability
<!-- Stability -->
| Ambient | 8 hours |
| Refrigerated (4°C to 8°C) | 5 days |
| Frozen(-40°C to 0°C) | 6 months |
Performance Information
<!-- Performance information -->
| Days and Time Performed | 24/7 |
| Expected Turn Around Time | Routine: 4 hours |
| Stat Availability | No |
| Performing Bench | UH Chemistry |
| Methodology/Method Description | Siemens Atellica - ImmunoAssay |
Additional Information/Important Notes
PSA is also present in para-urethral and anal glands, as well as in breast tissue or with breast cancer, low levels of PSA can also be detected in sera from women.
CPT Codes
84153