Referred to Berkshire & Surrey Pathology Services, Frimley Park Hospital NHS Foundation Trust, Portsmouth Road, Frimley, Surrey GU16 7UJ
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Alternative names, keywords |
DHT, 5-alpha dihydrotestosterone, 5α-dihydrotestosterone, 5α-DHT |
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Samples required |
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Test indications |
For investigation of ambiguous genitalia in neonates and young children, and suspected 5-alpha-reductase deficiency. Rarely indicated. Blood concentration does not reflect tissue concentration due to peripheral tissue conversion. |
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Reference range |
Male: 0.32 - 1.64 nmol/L |
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Turnaround time |
Referral lab quotes turnaround time of 21 days, however additional time must be allowed for packing, dispatch and delivery of sample, and return and processing of results. |
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Enquiries |
Biochemistry (Referrals) |
Clotted blood (gold cap, 5 mL tube). Smaller tubes are available for paediatric samples.