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Dihydrotestosterone
Last Modified:
11/22/2021 11:15:04 AM
Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Specimen Requirements:
1.0 mL Serum from a
Red Top Tube
in a Plastic Vial
Collection Instructions:
Minimum Volume:
0.6 mL Serum
Transport & Storage: Temperature/Stability:
7 days Ambient (transport)
14 days Refrigerated
6 months Frozen
Rejection Criteria:
Moderate to Gross Hemolysis; Lipemia; SST or PST Tubes; Plasma
Reference Range:
Males: 12-65 ng/dL
Females: < or = 20 ng/dL
Critical Ranges:
Test Comments:
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.
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
2 to 5 days
Days Performed:
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday
Sites Performed:
Quest - Chantilly to San Juan Capistrano
PHL Test Code:
DHTS
EPIC Test Code:
LAB3224
Send Out Test Code:
90567
Alternate Test Names:
DHT; Dihydrotestosterone, LC/MS/MS
Included Tests:
CPT Coding:
82642
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