Table 1.

Investigations for patients with suspected PIMS-TS

Investigations	First line diagnostic tests to determine whether PIMS-TS is a possible diagnosis	Second line tests to differentiate PIMS-TS from other conditions and determine severity
Haematological	Full Blood Count	D-Dimer
Biochemical	C-Reactive Protein Liver function Tests Urea, Creatinine and Electrolytes	Fibrinogen Lactate Dehydrogenase Ferritin Troponin N-terminal pro-B-type natriuretic peptide Blood gas and lactate
Microbiological		SARS-CoV-2 RT-PCR and serology Septic and viral screen (lumbar puncture if specific indications)
Imaging and other		Chest Radiograph 12 lead ECG Echocardiogram