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HelpTest Code PAP Prostatic Acid Phosphatase, Serum
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Prostatic Acid Phosphatase, SUseful For
Aiding in predicting recurrence after radical prostatectomy for clinically localized prostate cancer
Following response to androgen ablation therapy, when used in conjunction with prostate-specific antigen
Specimen Required
Patient Preparation: For 12 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7).
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.4 mL
Specimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Frozen | 180 days |
Day(s) Performed
Monday, Wednesday, Friday
Reference Values
≤2.1 ng/mL
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.Method Name
Automated Chemiluminescent Immunometric Assay
CPT Code Information
84066
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PACP | Prostatic Acid Phosphatase, S | 20420-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| PACP | Prostatic Acid Phosphatase, S | 20420-6 |