- PSK4K
Prostate-Specific Kallikrein, 4Kscore
Test Code
PSK4K
Specimen Name
Prostate-Specific Kallikrein, 4Kscore
CPT Codes
- 81539
Collect
SST-Serum
Stability
CRITICAL FROZEN 30 days
Volume
4 mLs
Minimum Volume
3 mLs
Performed
Performed Varies - Reported 5-10 days
Components
Tests included in 4 Kallikrein Biomarkers: Total PSA, free PSA, percent free PSA, intact PSA, and hK2.
Additional Information
Biopsy history and clinical indication for ordering are required. Digital Rectal Exam (DRE) result should be provided, if available. https://ltd.aruplab.com/api/ltd/pdf/193
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Common Lab Definitions
- Serum
- Plasma
- STT