Laboratory Services

Dihydrotestosterone, Serum

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Updated Test Information:

Test Description
Dihydrotestosterone, Serum
Synonym(s)

5-a-dihydrotestosterone, 5-Alpha-Dihydrotestosterone, Allodihydrotestosterone, Androstanolone, DHT, Serum Dihydrotestosterone, Stanolone

Test ID
DHTS
General Information

Monitoring patients receiving 5-alpha reductase inhibitor therapy or chemotherapy


Evaluating patients with possible 5-alpha reductase deficiency

Container Type

Red Top

Specimen Type

Serum

Specimen Requirements

1 mL

Alternate Specimen Type

SST

Specimen Collection / Processing Instructions

Centrifuge and aliquot serum into a plastic vial

Minimum Sample Volume

0.6 mL

Stability

Refrigerated (preferred) 7 days
Frozen 90 days

Methodology

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Estimated TAT

2 to 8 days

Testing Schedule

Monday, Wednesday, Friday

Retention

2 weeks

CPT Code(s)

82642, G0480 (if appropriate)

Reference Range

STAT Orderable (Y/N)

No

Performing Lab

Mayo

LOINC Code(s)

1848-1