Ordering Recommendation
Mnemonic
DHT TMS
Methodology

Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry

Performed

Tue-Sun

Reported

1-4 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

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

Frozen.

Unacceptable Conditions

Hemolyzed or lipemic specimens.

Remarks
Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 5 days; Frozen: 6 months

Reference Interval
Males
Females
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 Category

Laboratory Developed Test (LDT)

Note
Hotline History
N/A
CPT Codes

82642

Components
Component Test Code* Component Chart Name LOINC
2002520 5-a-Dihydrotestosterone, LC-MS/MS 1848-1
* 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.
Aliases
  • DHT (5-a-Dihydrotestosterone by Tandem Mass Spectrometry, Serum)
  • Dihydrotestosterone, LC/MS/MS (5-a-Dihydrotestosterone by Tandem Mass Spectrometry, Serum)
5-a-Dihydrotestosterone by Tandem Mass Spectrometry, Serum