Dihydrotestosterone
Test Mnemonic
DHT
CPT Codes
- 82642 - QTY (1)
Aliases
- 5-alpha-Dihydrotestosterone
- Androstanolone
Includes
- 5-a-Dihydrotestosterone
Performing Laboratory
ARUP
FDA Category
Laboratory Developed Test
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Frozen | Separate serum from cells ASAP or within 2 hours of collection. Transfer to standard aliquot tube and freeze immediately. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | No additive (Red) | Frozen | Separate serum from cells ASAP or within 2 hours of collection. Transfer to standard aliquot tube and freeze immediately. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.6 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | After separation from cells: 5 days |
| Frozen | After separation from cells: 6 months |
| Ambient | After separation from cells: 48 hours |
Days Performed
Sun, Wed - Sat
Turnaround Time
2 - 6 days
Methodology
| Name | Description |
|---|---|
| High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS) |
Reference Range
| Dihydrotestosterone | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Male: Premature: 100.0-530.0 pg/mL | Female: Premature: 20.0-130.0 pg/mL | Female: Tanner Stage III: 11.4-158.3 pg/mL | Female: Tanner Stage II: 5.5-95.9 pg/mL | Female: Tanner Stage I: 1.0-64.3 pg/mL | Female: 20 years and older: 24.0-208.0 pg/mL | Female: 1 week-9 years: 0.0-49.9 pg/mL | Female: Full Term: 20.0-150.0 pg/mL | Male: Tanner Stage IV & V: 44.9-511.8 pg/mL | Male: Full Term: 50.0-600.0 pg/mL | Male: Tanner Stage III: 14.8-574.6 pg/mL | Male: Tanner Stage II: 3.5-397.9 pg/mL | Male: Tanner Stage I: 1.0-47.6 pg/mL | Male: 20 years and older: 106.0-719.0 pg/mL | Male: 7 months-9 years: 0.0-49.9 pg/mL | Male: 1 week - 6 months: 120.0-850.0 pg/mL | Female: Tanner Stage IV & V: 18.7-193.8 pg/mL | Female | 10 Years | 19 Years | Normal | 50.0-170.0 | pg/mL | Male | 10 Years | 19 Years | Normal | 0.0-533.0 | pg/mL |
Special Info
Hemolyzed or lipemic specimens are unacceptable. This test is New York DOH approved.