This is a multicenter screening study to characterize the prevalence of the KIT D816V mutation in participants with suspected clonal mast cell disease.
- Mastocytosis
- Leukemia, Myelomonocytic, Chronic
- Postural Orthostatic Tachycardia Syndrome
- red meat allergy
- Mastocytosis, Cutaneous
Age: 18 years - 66+
Gender: All