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Test Code LAB4378 PSA, SCREENING

Important Note

This test is appropriate for the following diagnoses: 

  • Hypogonadism in male, testosterone therapy, long-term use of testosterone, testicular hypofunction, decreased testosterone, hypotestosteronism
  • Hematospermia
  • Acute prostatitis 
  • BPH, benign prostatic hyperplasia, hypertrophy of prostate with urinary obstruction 
  • Nocturia, Urgency of urination, frequency, hematuria, intermittent urinary stream 
  • LUTS 
  • Prostate nodule, enlarged prostate on rectal exam
  • Impotence, erectile dysfunction
  • Disorder of prostate 
  • All variations of the screening for prostate cancer diagnosis

 For other situations, please refer to the Diagnostic PSA test here.

 

If ultrasensitive PSA is requested, the following test should be ordered instead: Prostate-Specific Antigen (PSA) Ultrasensitive, Serum - Kootenai Health

Specimen Type

Preferred Specimen: Serum (SST, Gold, Tiger, Red Top NO GEL)
Alternative Specimen:  NA

Specimen must be centrifuged within 3 hours of collection.

Specimen Volume

1 mL

Minimum Volume

0.5 mL

 

Turnaround Time

Stat - 1 hour

Routine - 4 hours

Test Schedule

Daily

Sample Stability


Refrigerated: 24 hours
 

Method

Chemiluminescent Microparticle Immunoassay (CMIA)

Reference Ranges

<4.0 ng/mL

Reporting Limit

Reporting range - 0.10-1000 ng/mL

CPT Codes

G0103

Interpretation and Clinical Utility

Elevated concentrations of PSA in serum are generally indicative of a pathologic condition of the prostate (prostatitis, benign hyperplasia or carcinoma). The test is further indicated for serial measurement of tPSA to aid in the management of cancer patients.