DIHYDROTESTOSTERONE (5-a-DIHYDROTESTOSTERONE)

Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 1.0 mL serum (0.6 mL minimum) refrigerated in a screw-capped vial.

Alternate Specimen
Plasma: EDTA

Rejection Criteria
Hemolyzed or lipemic specimens, SST

Methodology
Liquid Chromatography/Tandem Mass Spectrometry

Stability
Room Temperature: 7 days; Refrigerated: 7 days; Frozen: 2 years

Reference Range
Females:   5-46 ng/dL  
Males:   16-79 ng/dL  

Performed
Sunday-Thursday

Turnaround Time6-8 days
Test CodeDHT
CPT-4 Code (s)
80327 (G6047)
LOINC Codes
1848-1

Warde
Medical
Laboratory