In humans, steroid hormones are produced by the adrenal glands and the gonads. The formation of pregnenolone from cholesterol is the first step in steroidogenesis and is mediated by the proteolytic enzyme, single cholesterol side-chain cleavage enzyme .
Preparation: No special preparation is needed. Fasting is not required for this blood test. In general, being well hydrated (drinking plenty of water before the blood draw) will usually make your veins somewhat easier to locate and access for the blood draw.
Quest test code 31493
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