3545 PSA (Prostate-Specific Antigen), Total reflex to Free PSA

Components
NAME METHOD REFERENCE RANGE UNITS
PSA Total ICMA  < 4.00  ng/mL 


Specimen Requirements
TYPE VOLUME TEMPERATURE INSTRUCTIONS
PRIMARY
1 Serum 2 (1) mL   Ambient - 5 Day(s), Refrigerated - 5 Day(s), Frozen - 2 Month(s) Sample requirement must be met to prevent a QNS result. 


Clinical utility
The addition of Free PSA when the total is >4 and <10 ng/mL improves the predictive value since the percentage of free PSA is inversely proportional to the incidence of prostate cancer.


Reported: Same day

CPT Code: 84153

Notes: If reflexed please add CPT code 84154 and an additional fee.