| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
DHEA
Test CodeDHEA
Quest Code
19894
CPT Codes
82626
Preferred Specimen
0.5 mL frozen serum collected in a red-top tube (no gel)
Patient Preparation
Overnight fasting is preferred
Minimum Volume
0.3 mL
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
Instructions
Specify age and sex on test request form
Transport Container
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
Room temperature: 6 hours
Refrigerated: 72 hours
Frozen: 90 days
Refrigerated: 72 hours
Frozen: 90 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Serum separator tube (SST)
Methodology
Chromatography/Mass Spectrometry
Setup Schedule
Set up: Mon-Fri; Report available: 3-7 days
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 |
Clinical Significance
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.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |
