DHEAS (DHA)
Department: Chemistry
Test Synonym(s): LAB524, DHA, Dehydroepiandrosterone Sulfate, DHEA sulfate, DHEA-S
CPT Codes: 82627
Methodology: Chemiluminescent Microparticle Immunoassay (CMIA)
Reference Range: Male and female - 2-5 mo: 3-124 mcg/dL , 6mo-2yrs: 0-33 mcg/dL; 3-6 yrs: 0-47 mcg/dL; 7-9 yrs: 5-115 mcg/dL
Males - 10-14 yrs: 22-332 mcg/dL; 15-19 yrs: 88-483 mcg/dL; 20-29 yrs: 280-640 mcg/dL; 30-49 yrs: 95-530 mcg/dL; 50-59 yrs: 70-310 mcg/dL; 60-150 yrs: 28-290 mcg/dL
Females- 10-14 yrs: 22-255 mcg/dL; 15-29 yrs: 63-380 mcg/dL; 30-49 yrs: 32-270 mcg/dL, 50-59 yrs: 26-200 mcg/dL; 60-150 yrs: 10-130 mcg/dL
Tanner Stage - Males I: 7-209 mcg/dL; II: 28-260 mcg/dL; III: 39-390 mcg/dL, IV & V: 81-488 mcg/dL Tanner Stage - Females I: 7-126 mcg/dL; II: 13-241 mcg/dL, III: 32-446 mcg/dL; IV & V: 65-371 mcg/dL
Tube Type: Light green top PST (Lithium Heparin with gel)
Specimen: Plasma
Alternate Specimen: Red top (no gel)
Pediatric Requirements: 1 light green top microtainer
Volume: 1 mL plasma
Minimum Volume: 1 light green top
Temperature: Refrigerated
Stability: Room temperature: 2 days; Refrigerated: 8 days; Frozen: 56 days
Reasons for Rejection: Samples from infants less than 60 days old. There is a potential for elevated DHEA-S results in newborns as DHEA-S values are influenced by both maternal and placental steroids. During fetal adrenal steroidogenesis, there is a high degree of sulphurylation with a low amount of hydorlyzing enzymes. Potentially cross reacting steroids may be present.
Days Performed: Daily
Times Performed: Continuous
Special Instructions: Specimens should be centrifuged immediately.
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