Insulin, Fasting Blood Test

Compare labs

Feature	Labcorp	Quest Diagnostics
Price	$13.49	Coming soon
Results in	~2 business days	—
Sample type	Blood Serum	—
Require fasting	Yes	—

About the test

Insulin, Fasting measures the level of insulin in the blood after an overnight fast. It is used to evaluate pancreatic function, insulin resistance, and to help diagnose conditions like type 2 diabetes and metabolic syndrome.

Included biomarkers & Reference ranges

Biomarker	Reference range
Insulin Measures your insulin level after fasting. Used together with glucose to assess insulin resistance and metabolic health.	—

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

Preparation

Fasting for 12 hours before your blood draw is required.
Fasting before a blood draw means you don't eat or drink anything except water.
Your doctor should provide any special instructions related to fasting for your test. Always follow your doctor's instructions.

How it works

1. Order online No referral or insurance
2. Get a requisition By email in 24–72 hours
3. Visit a draw center Bring a matching photo ID
4. Get results Securely by email

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consultations

Not sure how to read your results? We can help.

Schedule a consultation with a Hormunity specialist. We’ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

Book a specialist