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Test Code PSA DIAG Prostate-Specific Antigen (PSA) Diagnostic, Plasma

Additional Codes

LAB116

Performing Laboratory

Central Peninsula Hospital

Collection Method

Venipuncture

Container

Lt Green / Plasma Separator / Lithium Heparin

Specimen Type

Preferred

  • Plasma- Light Green Top (Lithium heparin)

 

Acceptable

  • Serum- Gold Top SST or Red Top

Minimum Volume

0.5ml

Specimen Stability

Ambient 24 hours
Refrigerated (4°C to 8°C) 5 days
Frozen(-40°C to 0°C) 6 months

Reference or Target Ranges

Age Male Female
<40 years < 2.1 x
40 - 49 years < 2.6 x
50 - 59 years < 3.6 x
60 - 69 years < 4.6 x
70 - 79 years < 6.6 x
>80 years < 7.3 x

 

Report Comment:

Prostate-Specific Antigen (PSA) values are reported with 95th percentile age-specific limits from Mayo Medical Laboratories, including men with benign prostatic hyperplasia but excluding confirmed cancer cases. 

Values above 0.2 ng/mL indicate biochemical recurrence after prostatectomy.

 

Reportable Units

ng/mL

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold 2200 mg/dL
Icterus Threshold 65 mg/dL
Lipemia Threshold 1500 mg/dL
Other QNS, contaminated, improperly labeled, improper specimen type

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time

Stat: 1 hour
Routine: 4 hours
Stat Availability Yes
Performing Bench CPH Chemistry
Methodology/Method Description Roche Cobas

CPT Codes

84153

Last review/edit date

2025