Dihydrotestosterone

Overview

  • EPIC Code:
  • LAB3224
  • Soft Test Code:
  • DHTS
  • Send Out Test Code:
  • 90567
Alternate Names
  • DHT
  • Dihydrotestosterone, LC/MS/MS
Clinical Significance

Dihydrotestosterone-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.


Specimen Collection & Preparation

Specimen Requirements

1.0 mL Serum from a Red Top Tube in a Plastic Vial 

Alternate Specimen

 

TransportAndStorage

7 days Ambient (transport)
14 days Refrigerated
6 months Frozen

Collection Instructions

 

Clinical Interpretation

Reference Range:

Males: 12-65 ng/dL
Females: < or = 20 ng/dL


Methodology:
  • Chromatography / Mass Spectrometry

Clinical Significance

Dihydrotestosterone-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.


Production Schedule

Sites Performed
  • Quest - Chantilly to San Juan Capistrano
Days Performed
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Departments
  • Sendouts - Clinical
Turn Around Time

2 to 5 days


Coding & Compliance

CDM

00913333


CPT Coding

82642