DHEA (Dehydroepiandrosterone), Unconjugated
Test Summary
DHEA is a weakly androgenic steroid that is useful when congenital adrenal hyperplasia is suspected. It is also useful in determining the source of androgens in hyperandrogenic conditions, such as polycystic ovarian syndrome and adrenal tumors.
Aliases
- DHEA
Specimen Collection
Special Instructions
N/A
Preferred Specimen
0.5 mL frozen serum collected in a red-top tube (no gel)
Minimum Volume
0.3 mL
Instructions
Specify age and sex on test request form
Patient Preparation
Overnight fasting is preferred
Storage
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
- Room temperature: 6 hours
- Refrigerated: 72 hours
- Frozen: 90 days
Limitations
N/A
Other Acceptable Specimens
Frozen plasma collected in: EDTA (lavender-top) tube, EDTA (royal blue-top) tube, sodium heparin (green-top) tube, or lithium heparin (green-top) tube
Unacceptable Specimens
Gross hemolysis • Serum separator tube (SST)
Order Code
DHEAU
EPIC (Premier) Code
LAB160
Includes
N/A
CPT Code
- 82626
Billing Code
- 670253
CPT Statement
Methodology
Chromatography/Mass Spectrometry
FDA Status
FDA Approved
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano CA, 92675
33608 Ortega Highway
San Juan Capistrano CA, 92675
Department
Reference Testing
Reference Range
Adult
Pediatric
| Males | 147-1760 ng/dL |
| Females | |
| Pre-Menopausal | |
| Mid Follicular | 385-1143 ng/dL |
| Surge | 345-2030 ng/dL |
| Mid Luteal | 414-1295 ng/dL |
| Post-Menopausal | 77-851 ng/dL |
Pediatric
| 1-11 months | ≤327 ng/dL |
| 1 year | ≤269 ng/dL |
| 2 years | ≤244 ng/dL |
| 3 years | ≤253 ng/dL |
| 4 years | ≤297 ng/dL |
| 5 years | ≤376 ng/dL |
| 6 years | ≤487 ng/dL |
| 7 years | ≤616 ng/dL |
| 8 years | 34-744 ng/dL |
| 9 years | 45-854 ng/dL |
| 10 years | 56-950 ng/dL |
| 11 years | 67-1041 ng/dL |
| 12 years | 78-1120 ng/dL |
| 13 years | 86-1176 ng/dL |
| 14 years | 90-1207 ng/dL |
| 15 years | 95-1241 ng/dL |
| 16 years | 103-1294 ng/dL |
| 17 years | 113-1360 ng/dL |
Setup Schedule / Expected Turnaround Time
Monday - Friday; Report available: 3 - 7 days
Specimen Collection
Special Instructions
N/A
Preferred Specimen
0.5 mL frozen serum collected in a red-top tube (no gel)
Minimum Volume
0.3 mL
Instructions
Specify age and sex on test request form
Patient Preparation
Overnight fasting is preferred
Storage
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
- Room temperature: 6 hours
- Refrigerated: 72 hours
- Frozen: 90 days
Limitations
N/A
Other Acceptable Specimens
Frozen plasma collected in: EDTA (lavender-top) tube, EDTA (royal blue-top) tube, sodium heparin (green-top) tube, or lithium heparin (green-top) tube
Unacceptable Specimens
Gross hemolysis • Serum separator tube (SST)
Result Information
Methodology
Chromatography/Mass Spectrometry
Testing Laboratory
N/A
Reference Range
Adult
Pediatric
| Males | 147-1760 ng/dL |
| Females | |
| Pre-Menopausal | |
| Mid Follicular | 385-1143 ng/dL |
| Surge | 345-2030 ng/dL |
| Mid Luteal | 414-1295 ng/dL |
| Post-Menopausal | 77-851 ng/dL |
Pediatric
| 1-11 months | ≤327 ng/dL |
| 1 year | ≤269 ng/dL |
| 2 years | ≤244 ng/dL |
| 3 years | ≤253 ng/dL |
| 4 years | ≤297 ng/dL |
| 5 years | ≤376 ng/dL |
| 6 years | ≤487 ng/dL |
| 7 years | ≤616 ng/dL |
| 8 years | 34-744 ng/dL |
| 9 years | 45-854 ng/dL |
| 10 years | 56-950 ng/dL |
| 11 years | 67-1041 ng/dL |
| 12 years | 78-1120 ng/dL |
| 13 years | 86-1176 ng/dL |
| 14 years | 90-1207 ng/dL |
| 15 years | 95-1241 ng/dL |
| 16 years | 103-1294 ng/dL |
| 17 years | 113-1360 ng/dL |
Setup Schedule / Expected Turnaround Time
Monday - Friday; Report available: 3 - 7 days