Hungarian to English Medical Medical (general) blood test

Can you please help me what EC means in the urine lab test results here?

[...] {HPF: nagy nagyítású látótér = 0.18 uL, LPF: kis nagyítású látótér = 2.9 uL}, WBC: 0 /HPF, RBCV: 0 /HPF, EC: 0 /HPF, BACT: 0 /HPF, Glu: 7.9 (+) mmol/l, KN: 7.8 (+) mmol/l [...]


Thank you!