5-a-Dihydrotestosterone by Tandem Mass Spectrometry, Serum
Ordering Recommendation
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
1-4 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
Plain Red or Serum Separator Tube (SST). 
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.6 mL) 
Storage/Transport Temperature
Unacceptable Conditions
Hemolyzed or lipemic specimens. 
After separation from cells: Ambient: 48 hours; Refrigerated: 5 days; Frozen: 6 months 
Reference Interval
Premature: 100.0-530.0 pg/mL
Full Term: 50.0-600.0 pg/mL
1 week-6 months: 120.0-850.0 pg/mL
7 months-9 years: 0.0-49.9 pg/mL
10-19 years: 0.0-533.0 pg/mL
20 years and older: 106.0-719.0 pg/mL
Tanner Stage I: 1.0-47.6 pg/mL
Tanner Stage II: 3.5-397.9 pg/mL
Tanner Stage III: 14.8-574.6 pg/mL
Tanner Stage IV & V: 44.9-511.8 pg/mL
Premature: 20.0-130.0  pg/mL
Full Term: 20.0-150.0 pg/mL
1 week-9 years: 0.0-49.9 pg/mL
10-19 years: 50.0-170.0 pg/mL
20 years and older: 24.0-208.0 pg/mL
Tanner Stage I: 1.0-64.3 pg/mL
Tanner Stage II: 5.5-95.9 pg/mL
Tanner Stage III: 11.4-158.3 pg/mL
Tanner Stage IV & V: 18.7-193.8 pg/mL

Interpretive Data

Compliance Statement B: For laboratory developed tests not using a RUO kit, and for FDA approved, cleared or 510(k) exempt assays with alterations. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

Component Test Code*Component Chart NameLOINC
20025205-a-Dihydrotestosterone, LC-MS/MS1848-1
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
  • DHT (5-a-Dihydrotestosterone by Tandem Mass Spectrometry, Serum)
  • Dihydrotestosterone, LC/MS/MS (5-a-Dihydrotestosterone by Tandem Mass Spectrometry, Serum)