Are You Positive It Isn't a False Positive?

We got a high blood-sugar reading the other night, a hundred points higher than we expected. "What happened? What did we do wrong? Did we forget to give him his insulin? Did he have a huge snack we didn't know about?" What we did wrong was forget that Karl was building a gingerbread house and hadn't washed his hands before doing his blood-sugar testing. D'oh!

He gets so little in the way of sugary foods that we don't always remember that "sugar on his fingers will mess up his blood-sugar tests."