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Fasting Insulin

$45
Quest DiagnosticsNo fasting1-3 business days
Sample
Blood draw
Preparation
No fasting needed.
Results in
1-3 business days after your sample reaches the lab

Tests are ordered by an independent licensed physician. This service does not replace care from your own doctor. Talk with a healthcare professional about your results.

Fasting insulin measures how much insulin your body needs to keep blood sugar in a normal fasting range. Levels can rise years before glucose or A1c become abnormal, making this a useful early marker for insulin resistance risk.

Before your visit: ayune de 9 a 12 horas antes de su extracción. Puede tomar agua.