Hi everyone. My cat was diagnosed with diabetes last Friday. I was given an alpha trak and sent home to take readings after being instructed how to use it. I asked if i could just open and use it and it would be fine and it would be okay and the vet tec confirmed. I stupidly did not read the instructions and did not calibrate till now with the test solution. This was off by a about 2 points. I re set the code to whats on the strip bottle. Does this mean that the last weeks worth of readings were hugely off? They were reading low and I was told to stop insulin!