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HelpTest Code LAB522 DHEA
Additional Codes
DHEA
Clinical System Name
DHEA
Synonyms
DHEA; Unconjugated DHEA
Sample Requirements
Specimen: Whole Blood
Container(s): Red
Preferred Vol: 1.0 mL
Minimum Vol: 0.6 mL
Note: Overnight fasting is preferred. Specify patient's age and sex on the requisition. SST tubes are unacceptable.
Processing Instructions
Reject due to: Gold SST, gross hemolysis, or plasma.
Spin: Y
Aliquot: Y
Temp: -20 C
Storage Location: Separate from cells within two hours of collection. Transfer 0.5 mL serum (Min: 0.3 mL) to a plastic aliquot tube affixed with large Epic label. Deliver specimen to the CPA -20 freezer, Send Outs rack.
Off-site Collection: Separate from cells within two hours of collection. Transfer 0.5 mL serum (Min: 0.3 mL) to a plastic aliquot tube affixed with large Epic label. Transport frozen.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Room Temp |
6 h |
| Refrigerated | 72 h | |
| Frozen | 90 d |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N |
M - F |
4 - 8 d |
Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130
Phone Number: (800) 553-5445
Department
Department: Send Outs
Phone Number: (206) 987-2563
CPT Codes
82626
Methodology
Method: Chromatography/Mass Spectrometry
Analytical Volume: 0.3 mL Serum
Limitations:
Reference Range
|
< 1 year |
Not established |
|
1 - 5 years |
≤ 377 ng/dL |
|
6 - 9 years |
19-592 ng/dL |
|
10 - 13 years |
42-1067 ng/dL |
|
14 - 17 years |
137 - 1489 ng/dL |
|
Adult Males |
61 - 1636 ng/dL |
|
Adult Females |
102 - 1185 ng/dL |
Send Out Instructions
| Reference Test Name: |
DHEA, (Dehydroepiandrosterone), Unconjugated |
| Reference Lab Test Code: | |
| Instructions: | Send out Monday through Friday with the Quest courier. |