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Test Code LAB12628 Prostate Specific Antigen Total (PSA), w/Reflex to PSA Free

Department

CHEMISTRY

Primary Collection Container

Gold (SST)

Transport

Serum refrigerated

Preferred Transport Temperature

Refrigerated

Stability

Refrigerated: 5 days

Frozen: 3 months (Free PSA, 6 months PSA Total)

Minimum Testing Volume

2.0 mL

Reference Range

Total PSA:

Female: 0.0-0.1 ng/mL

Male: 0.0-0.4 ng/mL

Free PSA: No Reference Range

PSA Ratio: No Reference Range

Methodology

Roche e801 Electrochemiluminescence Immunoassay; Sandwich principle

Performed

Sunday – Saturday

Reported

2-3 days

CPT Codes

84153, 84154

Unacceptable Conditions

Hemolyzed Specimens.

Additional Information

The combination of p504s, p63, and CK903 (PIN-4 combination) can be extremely useful for diagnosing prostatic intraepithelial neoplasia (PIN) and/or prostate carcinoma, especially in difficult cases with limited tissues.

If Total PSA is between 4.0 and 10.0 the free PSA will be performed.