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Test Code PSA Prostate-Specific Antigen (PSA) Diagnostic, Serum

Reporting Name

Prostate-Specific Ag Diagnostic, S

Useful For

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

 

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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Necessary Information


Include patient's age.



Specimen Required


Supplies: Sarstedt Aliquot Tube, 5mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.6 mL

Collection Instructions:

1. Serum gel tubes should be centrifuged within 2 hours of collection.

2. Red-top tubes should be centrifuged, and the serum aliquoted into a plastic vial within 2 hours of collection.

Additional Information: Free prostate-specific antigen (PSA) can only be added on within 72 hours of performing total PSA. Specimen must have been shipped frozen.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Frozen (preferred) 180 days
  Refrigerated  5 days

Reference Values

Males:

Age (Years)

PSA Upper Limit (ng/mL)

<40

≤2.0

40-49

≤2.5

50-59

≤3.5

60-69

≤4.5

70-79

≤6.5

≥80

≤7.2

 

Females: not applicable

Day(s) Performed

Monday through Saturday

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
PSA Prostate-Specific Ag Diagnostic, S 83112-3

 

Result ID Test Result Name Result LOINC Value
PSA Prostate-Specific Ag Diagnostic, S 83112-3

Report Available

1 to 3 days

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

Method Name

Electrochemiluminescent Immunoassay (ECLIA)

Forms

If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.

Secondary ID

9284