What does it mean when blood sugar machine says hi?
What does it mean when blood sugar machine says hi?
HI in display If you see the letters HI displayed on the screen, your blood glucose may be higher than the measuring range of the system.
What should the nurse do if a glucometer reading reads HI or LO?
HI and LO results must be repeated to verify initial reading. If still HI or LO, then specimen must be sent to lab for valid result. a. Caution should be taken to clear arterial lines before blood is drawn and testing performed.