CXCL10 and systemic mastocytosis: Finally, biomarkers such as, for instance, pigment-contained neutrophils (PCNs), fibrinogen, copeptin, some chemokines (CX3CL1, CXCL4, CXCL9, and CXCL10), IP-10, and schizontaemia showed poor clinical performances for their ability to discriminate the above-mentioned SM outcomes (Figure 5).