Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

DIHYDROTESTOSTERONE

ORDERING INFORMATION:
Sunquest Test Code:
DITEST      Geisinger Epic Procedure Code: 82641.01         Geisinger Epic ID: 18879

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Specimen required:
1 mL aliquot of serum; minimum 0.6 mL.

SPECIMEN PROCESSING
Specimen processing instructions:
Centrifuge and transfer serum specimens to clean, plastic, screw-capped vial(s). 
Transport temperature:
Refrigerated (preferred) or frozen.
Specimen stability:
Room Temperature: 7 days. Refrigerated: 7 days. Frozen: 2 years.
Rejection criteria:
Moderate to gross hemolysis. Lipemia. Serum separator tubes. Plasma

TEST DETAILS
CPT code(s):
82642
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.
Methodology:
Chromatography/Mass Spectrometry
Synonyms:
Quest test code 90567, DHT
Clinical significance:
Clinical Significance DHT is a potent androgen derived from testosterone via 5-Alpha-Reductase activity. 5-Alpha-Reductase deficiency results in incompletely virilized males (phenotypic females). This diagnosis is supported by an elevated ratio of testosterone to DHT

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Sunday-Friday. Report available: 2-5 days    
Performed stat? No
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