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The nurse obtains a small capillary blood sample, generally from a finger prick, and measures it using a glucometer. A single glucose reading can be influenced by when you last ate, recent physical activity, stress, illness, medication and other factors.
If the result is unexpected or does not match how you feel, repeat testing, laboratory analysis or medical assessment may be recommended. Do not change insulin or another medication based only on a website explanation or isolated screening result.
The appointment includes
The FreeStyle Libre 3 Plus is a small disposable sensor worn on the back of the upper arm for up to 15 days. It measures interstitial glucose and sends readings every minute to a compatible smartphone or reader without routine sensor scanning. Choose the FreeStyle Libre 3 Plus option if your healthcare provider recommends continuous glucose monitoring or if it fits into your medical or weight-management plan.
The two options serve different purposes:
A glucometer measures glucose in a small drop of capillary blood obtained from a finger prick. It provides one reading representing your glucose level at that moment. The FreeStyle Libre 3 Plus sensor measures glucose in the interstitial fluid beneath the skin. It sends updated readings every minute to a compatible smartphone or reader, allowing you to observe glucose levels and trends throughout the day and night for up to 15 days.
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