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Test Code DHEA_ Dehydroepiandrosterone (DHEA), Serum


Necessary Information


Patient's age and sex are required.



Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube: Red top (serum gel/SST are not acceptable)

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.

Additional Information: Requests for this test cannot be added to a previously received specimen.


Useful For

Diagnosing and differential diagnosis of hyperandrogenism (in conjunction with measurements of other sex steroids)

 

As an initial screen in adults with bioavailable testosterone measurement that may be supplemented with measurements of sex hormone-binding globulin and occasionally other androgenic steroids (eg, 17-hydroxyprogesterone), depending on results

 

An adjunct in the diagnosis of congenital adrenal hyperplasia (CAH); DHEA/DHEAS measurements play a secondary role to the measurements of cortisol/cortisone, 17 alpha-hydroxyprogesterone, and androstenedione

 

Diagnosing and differential diagnosis of premature adrenarche

Special Instructions

Method Name

Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)

 

Portions of this test are covered by patents held by Quest Diagnostics

Reporting Name

Dehydroepiandrosterone, S

Specimen Type

Serum Red

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Frozen (preferred) 28 days
  Refrigerated  21 days
  Ambient  6 hours

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK

Reference Values

Premature: <40 ng/mL*

0-1 day: <11 ng/mL*

2-6 days: <8.7 ng/mL*

7 days-1 month: <5.8 ng/mL*

>1-23 months: <2.9 ng/mL*

2-5 years: <2.3 ng/mL

6-10 years: <3.4 ng/mL

11-14 years: <5.0 ng/mL

15-18 years: <6.6 ng/mL

19-30 years: <13 ng/mL

31-40 years: <10 ng/mL

41-50 years: <8.0 ng/mL

51-60 years: <6.0 ng/mL

≥61 years: <5.0 ng/mL

 

*Source: Dehydroepiandrosterone. In: Soldin SJ, Brugnara C, Wong Ed, eds. Pediatric Reference Ranges. 5th ed. AACC Press; 2005:75

 

For International System of Units (SI) conversion for Reference Values, see www.mayocliniclabs.com/order-tests/si-unit-conversion.html

Day(s) Performed

Monday, Wednesday, Friday

Report Available

2 to 7 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

82626

LOINC Code Information

Test ID Test Order Name Order LOINC Value
DHEA_ Dehydroepiandrosterone, S 2193-1

 

Result ID Test Result Name Result LOINC Value
81405 Dehydroepiandrosterone, S 2193-1