Among COVID-19 patients with GI symptoms, the median level of IgM, IgG, IL-6, SAA, CRP, PCT, and NLR were 209.15 IU/mL, 470.36 IU/mL, 15.7 pg/mL, 120.6 mg/mL, 37.1 mg/mL, 0.76 ng/mL, and 8.76, respectively. The gene discussed is CRP; the disease is COVID-19.