Case #	Medical History	Reason for Admission	SARS‐CoV‐2 RT‐PCR	Circuit Function at Hemofilter Collection	Anticoagulation at Hemofilter Collection	Neutrophil Count (103/µl)	Platelet Count (103/µl)	D‐dimer (ng/ml)	Fibrinogen (mg/dl)
1	67‐year‐old woman with ESRD, vasculitis	COVID‐19 respiratory failure	Positive	Functional	Unfractionated heparin Regional citrate	20.8	333	2838	473
2	48‐year‐old man with DM2, atrial flutter	COVID‐19 respiratory failure	Positive	Failed	Argatroban Regional citrate	17.4	663	4984	481
3	81‐year‐old‐man with ESRD, HTN, DM2	COVID‐19 respiratory failure	Positive	Failed	Regional citrate	14.9	39	5162	283
4	74‐year‐old woman with CAD, ESRD, DM2	Myocardial infarction and CABG	Negative	Functional	None	10.6	174	532	162
5	63‐year‐old man with heart failure, CKD	Acute on chronic heart failure	Negative	Failed	None	6.8	157	2813	164
6	61‐year‐old man with alcohol‐related cirrhosis	Orthotopic liver transplant	Negative	Failed	None	8.7	23	9939	122