PROSTATE SPECIFIC ANTIGEN, ULTRASENSITIVE

Mnemonic

PSA

Synonym

PSA

Guidelines

Assay is Performed Using Roche Diagnostic's Third Generation PSA reagents.

Specimen Collection Requirements

Collect

Serum or Plasma; SST is preferred. Plain red, PST or EDTA tubes are also acceptable.

Handling

Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum from cells ASAP.

Preferred Volume

1.0 mL

Minimum Volume

0.3 mL

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed specimens.  Serum or plasma that has not been separated from the cells with 2 hours of collection.

Stability

AFTER SEPARATION FROM CELLS: Ambient (20-25°C): 8 hours; Refrigerated (2-8°C): 5 days; Frozen (at or below -20°C): 6 months

Testing Information

Performed

Sun - Fri

Method

Electrochemiluminescent Immunoassay

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

<4.0 ng/mL

CPT Codes

84153

Last Updated: Monday, October 9, 2017 02:15:15 PM