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Geisinger Medical Laboratories Test Catalog
DIHYDROTESTOSTERONE |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB2184 Geisinger Epic ID: 18879 | |
SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Specimen required: |
1 mL aliquot of serum; minimum 0.6 mL. | |
| SPECIMEN PROCESSING |
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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: 14 days. Frozen: 30 days. | |
Rejection criteria: |
Moderate to gross hemolysis. Lipemia. Serum separator tubes. Plasma | |
TEST DETAILS |
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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 |
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Synonyms: |
DITEST, Quest test code 90567, DHT
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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 | |