Under 0.6mmol/L

This is normal; consider rechecking blood ketone levels in 1-2 hours if blood glucose remains elevated, above 13.9mmol/L.

0.6-1.5mmol/L

This indicates a need for extra insulin. It is important that you call or follow the rules provided by your diabetes healthcare team and check your blood glucose and blood ketone levels again in 1-2 hours.

Over 1.5mmol/L

This indicates a risk of diabetic ketoacidosis. You should call your healthcare team IMMEDIATELY.