The out-of-pocket cost is approximately $1000.00. Personnel in the out-patient laboratory will provide precise information. Vadas P , Guzman J, McGillis L, Mittal N, Walsh S. Consegregation of postural orthostatic tachycardia syndrome, hypermobile Ehlers-Danlos syndrome, and mast cell activation syndrome. 2020 Aug 13. (published online ahead on ....