Prostate Specific Antigen (PSA), Free and Total
Order Name
PSA FREE
Test Number: 2001575
Revision Date 10/28/2025
Test Number: 2001575
Revision Date 10/28/2025
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Free PSA
|
Chemiluminescence Assay | 10886-0 |
|
Total PSA
|
Chemiluminescence Assay | 2857-1 |
|
% Free PSA
|
Calculation | 12841-3 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 2 mL (1) | Serum | Clot Activator SST | Frozen |
| Instructions | Collect prior to biopsy, prostatectomy, prostatic massage or digital rectal exam. Allow 30min. for specimen to clot. Separate Serum from cells/gel within 3 hours of collection. Freeze if testing will not be completed within 24 hours. Specimen stability: Room temperature N/A; Refrigerated 24hrs; Frozen 1mo. |
|||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Mon - Fri |
| Expected TAT | 2-4 Days |
| Notes | Testing performed via Abbott Architect Immunoassay method. Results obtained with different assay methods should not be used interchangeably in serial testing. It is recommended that only one assay method be used consistently to monitor each patient's course of therapy. |
| CPT Code(s) | 84153, 84154 |
| Lab Section | Chemistry |