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Epic Code LAB2111152 Prostate Specific Antigen (PSA) Symptomatic Reflex

Important Note

Test cannot be ordered as an add-on

Testing performed by Roche Cobas systems by Electrochemiluminescence Immunoassay.  Serum markers are not specific for malignancy. Assays using different manufacturers for methods may not be comparable.

Test Name Alias

Prostate Specific Antigen Level Symptomatic Reflex | PSA | 187

Interface Order Alias

10500

Clinical Information

Reflex testing: A free PSA will be performed if PSA is between 2.5 – 10 ng/ml at an additional charge.

Collection Instructions

Specimen Collection: Blood

 

Container(s): 4.5 mL Mint Green Top (Lithium Heparin Gel) or 5.0 mL Gold Top (Serum Separator-SST Gel)

Preferred Volume to Collect: 4.5 mL

Minimum Volume to Collect: 2.0 mL

Neonate Volume to Collect: 1.0 mL

Capillary collect ok? Yes

Microtainer acceptable: Yes

 

Collection Instructions:

  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 2 hours – See Processing Instructions.

 

Processing Instructions (Laboratory, Outpatient or Off-site collection)

 

Processed Specimen: Plasma or Serum

Centrifuge/Spin: Yes

Aliquot: Yes

 

Processing Instructions:

  • Plasma is preferred specimen type
  • Green Tube/Plasma: Centrifuge after collection. Minimum plasma: 1.0 mL
  • Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours. Minimum serum: 1.0 mL

 

Transport Temperature: Refrigerate

Specimen Stability

Ambient: 8 hours

Refrigerate: 72 hours

Frozen: aliquot plasma/serum for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available daily, usual TAT 1 day.

Reference Range

0 up to 40 years: 0.00 to 2.00 ng/mL

40 up to 50 years 0.00 to 2.50 ng/mL

50 up to 60 years: 0.00 to 3.50 ng/mL

60 years and up: 0.00 to 4.00 ng/mL

Performing Department

Chemistry

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Methodology

Method is Roche cobas Electrochemiluminescense Immunoassay.
Patient results determined by assays using different manufacturers for methods may not be comparable.

CPT

84153

CDM Code

3018415303

Epic Test ID

1230101079

LOINC

PSA: 2857-1

Reviewed Date

3/7/2024