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    Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of, and finding treatments for, complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia, long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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What lab should I use for each of these? Are there any other stipulations like time of day or required fasting?

I know I read something on this a while ago, from Shoemaker, but Ive been searching all evening and cannot find anything. Thanks!