Dehydroepiandrosterone sulphate (DHEAS)
| Category | Biochemistry >> Endocrinology | ||||||||||||
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| Test background |
DHEAS is derived from the adrenal glands. Blood measurements of DHEAS are useful to detect excess adrenal activity as seen in DHEA-secreting adrenal tumours or incidences of hyperplasia including certain forms of CAH. Women with PCOS tend to have normal or mildly elevated levels of DHEAS. |
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| Clinical Indications |
DHEAS assay is indicated for the differential diagnosis of PCOS and CAH Presentation of unexplained hirsuitism Presentation of adrenal mass, ie. suspected adrenal tumour |
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| Reference range |
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| Sample & container required | Serum (red top) | ||||||||||||
| Sample volume | 0.5 mL | ||||||||||||
| Transport storage | Stable at 2-8°C for 24 hours. Please freeze pending dispatch for analysis. Send to lab frozen. | ||||||||||||
| Turnaround time | 1 week | ||||||||||||
| Notes | Grossly haemolysed samples are unsuitable for this assay. |