Use urine ketone test strips
Collect a urine sample in a clean container
Dip the strip into the urine or hold it in the urine stream as directed
Wait the specified time on the package
Compare the strip color to the chart on the bottle
Use a blood ketone meter with ketone test strips
Wash and dry your hands
Insert a ketone strip into the meter
Prick the side of your fingertip with a lancet
Apply a drop of blood to the strip
Read the ketone result on the meter
Use a breath ketone meter if available
Turn on the device
Blow into the mouthpiece for the required time
Read the displayed ketone level
Check ketones more often if you are sick, fasting, or have high blood sugar
Follow the instructions from your test kit or healthcare provider