Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

PSA PROFILE

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB2945         Geisinger Epic ID: 19116

SPECIMEN COLLECTION
Specimen type:
Plasma or serum
Preferred collection container:
Specimen required:
2 mL of serum or plasma; minimum 0.5 mL.

SPECIMEN PROCESSING
Specimen processing instructions:
Allow serum to clot. Centrifuge to separate serum or plasma. 
Transport temperature:
Refrigerated (preferred) or frozen.
Specimen stability:
Refrigerated: 5 days. Frozen: 3 months.
Rejection criteria:
Stability limits exceeded.

TEST DETAILS
Reference interval:
Total PSA:
60 years and above: <4.1 ng/mL
50-60 years: <3.1 ng/mL
40-50 years: <2.0 ng/mL
0-40 years: <1.4 ng/mL
Free PSA/Total PSA index: >25%
Additional information:
Specimens containing human anti-mouse antibodies may affect results.
CPT code(s):
84154, 84153
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Total PSA, with an add-on of Free PSA if total PSA is abnormally high
Methodology:
Electrochemiluminescence
Synonyms:
PSAB, FREE PSA PERCENT
Clinical significance:
In patients where total PSA is high, those with prostate cancer tend to have a lower percent of free PSA than those with benign prostatic hypertrophy (BPH). Therefore, the percent free PSA may aid in determining the likelihood of prostate cancer.
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 07/07/2021

Performing Locations

Geisinger Medical Center

Performing laboratory: Automated Chemistry
Technical Lead: Mariana Moyer, Jared Shepherd
Frequency: Daily
Performed stat? No
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