Similar to the abovementioned tests, the levels of CRP (189.08 vs. 129 mg/L), ferritin (920.13 vs. 292.3 μg/L), D-dimer (3.78 vs. 2.4 mg/L), and triglycerides (210 vs. 140 mg/dL) [28] were much higher in patients with MAS. The gene discussed is CRP; the disease is macrophage activation syndrome.