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Epic Code LAB3286 Prostate Specific Antigen (PSA), Free, Blood Level (Reflex Only)

Important Note

Free PSA must be run on same specimen as Total PSA.

Total PSA will be ordered and run at additional charge with a free PSA.

This test is no longer individually orderable. It can only be reflexed off of the ‘PROSTATE SPECIFIC ANTIGEN SYMPTOMATIC REFLEX [LAB2111152]

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

Test Name Alias

Prostate Specific Antigen Free Level | PSA | 8439

Interface Order Alias

10228

Ordering Instructions

This test is no longer individually orderable. It can only be reflexed off of the ‘PROSTATE SPECIFIC ANTIGEN SYMPTOMATIC REFLEX [LAB2111152]

Test Frequency

Available daily, usual TAT 1 day

Reference Range

A free PSA of 25% or less is an indication for a follow-up prostate biopsy when the total PSA is between 4 and 10 ng/mL.

There is limited data on the clinical utility of free PSA results when the total PSA is greater than 10 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

84154

CDM Code

3018415402

Epic Test ID

1230101880

LOINC

PSA Free: 10886-0

% Free PSA: 12841-3

Reviewed Date

3/7/2024

Updated Date

3/15/2024 - Reference Range