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Alternative Site Testing (for β-Ketone Test)
In addition to using your fingertips, you can test on your palms.
Important:
There are limitations with AST
(Alternative Site Testing).
Please consult your health care
professional before you
perform AST.
Suggested Test Areas
for the Hand
When to use AST?
Food, medication, illness, stress and exercise can affect ketone
levels. Capillary blood at the fingertip reflects these changes faster
than capillary blood at other sites. Thus, when testing ketone during
or immediately after a meal, physical exercise, or any other event,
take a blood sample from your finger only.
We strongly recommend that you perform AST ONLY at the following
times:
● In a pre-meal or fasting state (more than 2 hours since the last
meal).
● Two hours or more after taking insulin.
● Two hours or more after exercise.
Do NOT use AST if:
● You think your ketone is low.
● Your AST results do not match the way you feel.
● Your routine ketone results often fluctuate.
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