Myalgia is also a common presenting symptom of COVID-19 infection, and 36% of patients develop muscle pain during their illness (Table 6).121 High creatinine kinase (CK) levels present in 14% to 33% of patients.22 , 41 , 106 , 122 Patients with suspected COVID-19 and muscle aches were more likely to have abnormal lung imaging findings.122 Higher CK levels noted in ICU-level patients in a study compared to non-ICU patients, although it was not a statistically significant finding. Rhabdomyolosis has been reported in patients with COVID-19 with MYO levels >12,000 ug/L and CK levels >11,000 U/L.123