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Insulin (Fasting) CMIA Serum Test

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Insulin Test Overview

Insulin is a hormone secreted by Beta cells of Pancreas and is involved primarily in carbohydrate metabolism and is involved in maintaining normal blood glucose levels. Type 1 diabetes (insulin-dependent diabetes) is caused by insulin deficiency and Type 2 diabetes (noninsulin-dependent diabetes) is characterized by insulin resistance.

What is serum insulin?

Serum insulin is a hormone that is produced in the pancreas and released into the bloodstream. It helps to regulate the amount of glucose (sugar) in the blood. High levels of serum insulin can indicate diabetes, while low levels indicate problems with the pancreas.

Who should get a serum insulin test done?

  • Those with a family history of diabetes
  • Those with a sedentary lifestyle
  • Individuals who are overweight
  • Those with high blood pressure or cholesterol
  • Those experiencing frequent urination or increased thirst
  • Those exhibiting signs of fatigue, blurred vision, tingling in the hands or feet
  • Individuals who have had gestational diabetes during pregnancy
  • Those with PCOS (Polycystic Ovary Syndrome)
    • Elderly people

Written by: Dr. Kush kumar singh, M.D Pathology

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Insulin (Fasting) CMIA Serum Test Price

Metropolis Healthcare is a leading diagnostics centre and pathology lab in India equipped with the latest state-of-the-art technologies that provides the Insulin (Fasting) CMIA Serum Test with a clear pricing structure.

The Insulin (Fasting) CMIA Serum Test Price in Mumbai is ₹ 1,050 .

We are committed to deliver accurate and quality results from the best labs in India with complete transparency regarding test cost and turnaround time. No matter where you are, we strive to offer patients high-quality service that is affordable and accessible.

Frequently Asked Questions

Fasting Insulin levels are done to  to determine if insulin resistance in cells is the cause of hyperglycaemia (high blood sugar); to assess if pancreas is producing adequate amount of Insulin. Antibodies to insulin form in longstanding diabetes mellitus treated with insulin hence in these patients monitoring insulin levels gives better prognosis.

Insulin test measures insulin levels in blood sample of a fasting patient

In a patient who is fasting, this test analyses the levels of insulin in a blood sample..

Insulin test requires a blood sample. A tourniquet (elastic) band is placed tightly on the upper arm. The patient is then asked to make a fist. This helps in the build-up of blood filling the veins. The skin is disinfected before needle insertion and the blood sample is collected in vacutainer.

Normal fasting insulin & glucose level - normal patient
High fasting insulin & normal or slightly high glucose - Insulin resistance
Low fasting insulin & high fasting glucose level - insufficient insulin production i.e., diabetes
Normal or high fasting insulin  and low glucose level - Over secretion of insulin e.g., insulinoma, factitious hypoglycaemia, cushing syndrome

Diabetes is characterised by low fasting insulin and high fasting glucose levels due to inadequate insulin synthesis. Normal or high fasting insulin levels with low blood sugar levels -Excessive insulin production, such as in insulinomas, factitious hypoglycemia, and Cushing syndrome.

The range of fasting insulin is 3–8 uIU/mL (18–48 pmol/L).

Obesity, hypothyroidism, and a high-carbohydrate diet are all linked to hypoinsulinemia, or low insulin levels. The levels of both insulin and glucose can occasionally rise as a result of the increased resistance of the cells to insulin. When the pancreas eventually becomes injured, the production of insulin is reduced, which leads to hypoinsulinemia.

Serum has many purposes, one of which is enabling your cells to absorb blood sugar for energy. However, hyperinsulinemia can result in excessive weight gain and major health issues including cancer and heart disease.

If diabetes is not properly managed, it can harm the clusters of blood vessels in the kidneys that filter waste from the blood. This can lead to kidney damage and high blood pressure, which can also put extra strain on the kidneys' filtration process and exacerbate existing kidney issues

The following tests will be ordered along with the insulin (fasting) serum test:

  • Glucose test
  • C-peptide test


Fasting Insulin Test

Serum Insulin Test

Insulin test

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