In patients with COVID‐19, those with DM had higher plasma ACE2 concentrations versus those without DM, but the difference was not statistically significant (12.5 ± 6.3 pg/mL and 6.6 ± 1.9 pg/mL, respectively; Wilcoxon test p value = 0.537). The gene discussed is ACE2; the disease is COVID-19.