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Insulin Free and Total Blood Test

The Insulin Free and Total Blood Test measures the free and total insulin levels in the blood to diagnose and monitor diabetes.

Sample Report

Test Code: 501561

CPT Code: 83525,83527

Also Known As:

Methodology:

Chemiluminescent immunometric assay (IMA) after insulin extraction of free and total insulin

Specimen Type: Blood

Preparation:

Fasting for at least 12 hours is required. Patients should stop biotin consumption at least 72 hours prior to the collection.

Test Results:

8-10 days. May take longer based on weather, holiday, or lab delays.

Description

What is the purpose of this test?

The Insulin Free and Total Blood Test is a diagnostic test used to measure insulin levels in the blood. Insulin is a hormone that is produced by the pancreas and is responsible for regulating blood sugar levels. The test measures both the free and total insulin levels in the blood, providing a more complete picture of insulin activity in the body. The test is used primarily to diagnose and monitor diabetes. In individuals with diabetes, the body either does not produce enough insulin or is unable to use it effectively. By measuring insulin levels, doctors can determine if a patient is producing enough insulin, if the insulin is being used effectively, or if additional insulin is needed to regulate blood sugar levels. 

The Insulin Free and Total Blood Test is also used to monitor other conditions that affect insulin production and utilization in the body, such as polycystic ovary syndrome (PCOS) and metabolic syndrome. Additionally, the test may be used to assess insulin resistance, which is a condition in which the body does not respond properly to insulin. Overall, the Insulin Free and Total Blood Test is an important tool for diagnosing and managing diabetes and other conditions affecting insulin production and utilization.

 

When should I order an Insulin Free and Total Blood Test?

Individuals may order this test if they have experienced symptoms related to diabetes. Common signs or symptoms of diabetes include:

  • Frequent urination
  • Increased thirst
  • Unexplained weight loss
  • Blurred vision
  • Fatigue and weakness
  • Slow healing of wounds
  • Skin infections
  • Numbness or tingling in hands or feet
  • Dry mouth and itchy skin
  • Irritability and mood changes

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