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Test Code PSAU Prostate-Specific Antigen (PSA) Ultrasensitive, Serum

Secondary ID

64061

Useful For

As an aid in the detection of prostate cancer when used in conjunction with a digital rectal exam in men aged 50 years and older

 

To aid in the prognosis and management of individuals diagnosed with prostate cancer

 

Monitoring disease after radical prostatectomy

 

This test should not be used for initial prostate cancer screening.

Method Name

Electrochemiluminescent Immunoassay (ECLIA)

Reporting Name

PSA, Ultrasensitive, S

Specimen Type

Serum


Ordering Guidance


Free prostate-specific antigen (PSA) can be added on within 72 hours of performing this test. Specimen must have been shipped frozen.

 

If both free and total PSA results are desired, order PSAFT / Prostate-Specific Antigen (PSA), Total and Free, Serum.



Necessary Information


Include patient's age.



Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Within 2 hours of collection, centrifuge the specimen.

2. For red-top tubes, aliquot serum into a plastic vial.


Specimen Minimum Volume

0.75 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen (preferred) 180 days
  Refrigerated  14 days
  Ambient  7 days

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

Reference Values

PSA upper limit

Males:

<40 years: ≤2.0 ng/mL

40-49 years: ≤2.5 ng/mL

50-59 years: ≤3.5 ng/mL

60-69 years: ≤4.5 ng/mL

70-79 years: ≤6.5 ng/mL

≥80 years: ≤7.2 ng/mL

 

Females: Not applicable

Day(s) Performed

Monday through Saturday

Report Available

1 to 3 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

84153

LOINC Code Information

Test ID Test Order Name Order LOINC Value
PSAU PSA, Ultrasensitive, S 35741-8

 

Result ID Test Result Name Result LOINC Value
PSAU PSA, Ultrasensitive, S 35741-8