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5-a-Dihydrotestosterone by Tandem Mass Spectrometry, Serum
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Ordering Recommendation
Mnemonic
Methodology
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Performed
Tue-Sun
Reported
1-4 days
New York DOH Approval Status
Specimen Required
Plain Red or Serum Separator Tube (SST).
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)
Frozen.
Hemolyzed or lipemic specimens.
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
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
82642
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 2002520 | 5-a-Dihydrotestosterone, LC-MS/MS | 1848-1 |
Aliases
- DHT (5-a-Dihydrotestosterone by Tandem Mass Spectrometry, Serum)
- Dihydrotestosterone, LC/MS/MS (5-a-Dihydrotestosterone by Tandem Mass Spectrometry, Serum)
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