Dihydrotestosterone
Also known as: DHT
Use
Dihydrotestosterone (DHT) is a potent androgen derived from testosterone via 5‑alpha‑reductase activity. A deficiency in 5‑alpha‑reductase results in incompletely virilized males (phenotypic females), a diagnosis supported by an elevated testosterone to DHT ratio.
Special Instructions
Not provided.
Limitations
This test was developed and its analytical performance characteristics determined by Quest Diagnostics Nichols Institute. It has not been cleared or approved by the FDA; it was validated under CLIA regulations and is used for clinical purposes.
Methodology
Mass Spectrometry
Biomarkers
Dihydrotestosterone (DHT)
Analyte
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1 mL
Minimum Volume
0.6 mL
Container
plain red‑top tube (no gel)
Collection Instructions
Collect serum in red‑top tube (no gel), centrifuge and aliquot
Storage Instructions
Transport refrigerated
Causes for Rejection
Moderate to gross hemolysis; grossly icteric; serum separator tube (SST); plasma
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 14 days |
| Frozen | 6 months |
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