Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

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

TESTOSTERONE, FREE (DIALYSIS) AND TOTAL, MS

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB3137         Geisinger Epic ID: 34071

SPECIMEN COLLECTION
Specimen type:
Serum (preferred) or plasma.
Preferred collection container:
Alternate Collection Container:
4 mL green/green-top (sodium heparin) tube
3 mL green/black top lithium heparin tube
Specimen required:
1.8 mL aliquot serum or plasma; minimum 0.9 mL.
Special notes:
Serum separator tubes are unacceptable.

SPECIMEN PROCESSING
Specimen processing instructions:
Allow serum to clot (10-15 minutes) at room temperature. Centrifuge and separate the serum from the cells. 
Transport temperature:
Refrigerated.
Specimen stability:
Room temperature: 1 week. Refrigerated: 21 days. Frozen: 2 years (-20ÂșC).
Rejection criteria:
Stability limits exceeded. Serum separator tubes unacceptable. Gross hemolysis. Gross lipemia.

TEST DETAILS
CPT code(s):
84402, 84403
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:
Testosterone, Total, MS and Testosterone, Free (Dialysis).
Methodology:
Calculation
Equilibrium Dialysis
Chromatography/Mass Spectrometry
Synonyms:
Testosterone, Free and Total, MS
Quest test code 36170
Free testosterone by equilibrium dialysis
TESTEQ
Clinical significance:
Test is helpful in accessing testicular function in males and in managing hirsuitism and virilization in females.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Daily. Report available: 5 days    
Performed stat? No
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