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Test Code DHEA Dehydroepiandrosterone Level

Clinical System Name

Dehydroepiandrosterone Level

Synonyms

DHEA

Sample Requirements

Specimen: Whole Blood

Container(s): Red or Lavender/EDTA

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: Gel separator.

Spin: Y

Aliquot: Y

Temp: 2 - 4 C

Storage location: Spin and aliquot serum/plasma into a plastic aliquot container. Refrigerate sample in the CPA refrigerator send-outs rack.

 

Off-site collection: Spin blood and transfer serum/plasma into plastic aliquot container. Transport room temperature.

Stability

Specimen Type Temperature Time
Serum or plasma Room temp

7 d

  Refrigerated 7 d
  Frozen 2 y

 

Availability

STAT Performed TAT
N

Drawn daily; set up M - F at Quest

3 - 6 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

 

 

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

 

Methodology

Method: LC/MS/MS

Analytical Volume: 0.3 mL serum/plasma

Limitations:

CPT Codes

82626

Send Out Instructions

 

Reference Test Name:

DHEA (Dehydroepiandrosterone), Unconjugated, LC/MS/MS

Reference Test Number:

21964P

Instructions: Send out M - F with the Quest courier.