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Lab Test

Isoleucine - Quantitative Serum

Isoleucine - Quantitative Serum

Isoleucine is one of the nine essential amino acids vital for various biological functions in the human body. It is a branched-chain amino acid (BCAA), and the Quantitative Serum Isoleucine test measures the amount of isoleucine in the blood. The test is important in detecting metabolic disorders and assessing nutritional status.


  • Test NameIsoleucine - Quantitative Serum
  • Sample TypeBlood
  • Preparations RequiredTypically no fasting is required, but follow your healthcare provider's instructions.
  • Report Time4 days

Isoleucine is an amino acid, which means it is a building block for proteins. Like other essential amino acids, it cannot be produced by the human body and must be obtained through diet. Isoleucine is particularly important for energy regulation, immune function, and hemoglobin production.

Why is the Isoleucine Quantitative Serum Test Important?

The test is essential for diagnosing and monitoring metabolic disorders like Maple Syrup Urine Disease (MSUD) and for assessing the nutritional status of individuals, particularly those on specialized diets or with absorption problems.

Home Sample Collection Process

1
Book your convenient slot
Book your convenient slot
2
Sample Collection by Phlebotomist
Sample Collection by Phlebotomist
3
Reporting of the sample at lab
Reporting of the sample at lab
4
Download Reports
Download Reports
Frequently Asked Questions

This test may be ordered for newborn screening, in cases of suspected metabolic disorders, or for individuals with symptoms like lethargy, poor feeding, and developmental delays. It may also be used to monitor nutritional status in patients with malabsorption or those on specialized diets.

Normal levels of isoleucine in the blood typically range from 38 to 130 micromoles per liter (µmol/L), but normal ranges may vary slightly depending on the laboratory.

The test requires a blood sample, usually taken from a vein in the arm. The sample is then sent to a laboratory for analysis.

The risks are minimal and similar to any blood draw, such as slight pain, bruising, or infection at the puncture site.

Low levels of isoleucine may indicate malnutrition, malabsorption disorders, or a deficiency in essential amino acids.

Elevated levels of isoleucine could be an indicator of a metabolic disorder like MSUD, where the body cannot properly break down isoleucine and other BCAAs.

Since isoleucine is an essential amino acid that must be obtained through the diet, dietary intake directly affects isoleucine levels. Food sources rich in isoleucine include meat, fish, dairy products, eggs, nuts, seeds, and legumes.

Low levels may be associated with muscle wasting, fatigue, and weakness. High levels, as seen in MSUD, may cause poor feeding, vomiting, developmental delays, and a maple syrup odor to the urine.

Treatment depends on the underlying cause. Nutritional supplementation may be needed for deficiencies, while metabolic disorders like MSUD may require dietary restriction of BCAAs and specialized medical intervention.

Certain medications may affect isoleucine levels. Always inform your healthcare provider of any medication you're taking.

Yes, periodic testing can be useful in monitoring treatment effectiveness and adjusting management strategies.

If your isoleucine levels are outside the normal range, it's important to discuss the results with your healthcare provider. They can provide guidance on potential next steps, which may include further testing or treatment modifications.

Yes, with appropriate treatment, isoleucine levels can often be normalized. For nutritional deficiencies, supplementation or dietary changes can improve levels, while for metabolic disorders, treatment aims to manage and maintain normal isoleucine levels.

The frequency of testing will depend on individual circumstances, such as the presence of a metabolic disorder, the person's nutritional status, and their response to treatment.

The test is generally reliable for measuring isoleucine levels in the blood. However, results should be interpreted in the context of the overall clinical picture, including symptoms and other lab results.

In the case of nutritional concerns or suspected metabolic disorders, you may need to see a specialist like a nutritionist, gastroenterologist, or a geneticist.

Current research is exploring the role of isoleucine in muscle metabolism, the management of metabolic disorders, and the potential therapeutic uses of BCAAs in conditions like liver disease.

Isoleucine, along with leucine and valine, make up the BCAAs. These amino acids share common metabolic pathways, and their balance is important for overall health.

Exercise can increase the body's utilization of BCAAs, potentially affecting isoleucine levels. Furthermore, lifestyle factors such as diet and stress can influence the body's metabolism and absorption of essential amino acids, including isoleucine.

Eating a balanced diet rich in essential amino acids can help maintain normal isoleucine levels. If you have a medical condition that affects amino acid metabolism or absorption, follow your healthcare provider's advice on diet and treatment.

Excessive supplementation can potentially lead to an imbalance of amino acids and should be undertaken only under medical supervision.

Advancements in metabolic testing and research on BCAAs may provide further insight into the role of isoleucine in health and disease, potentially leading to new treatments and diagnostic strategies.

Isoleucine is an essential part of our diet and crucial for our health. Maintaining a balanced intake of essential amino acids, early detection of imbalances, and appropriate treatment are key to managing isoleucine-related conditions. As with any medical test or concern, it's important to have open and regular conversations with your healthcare

Isoleucine - Quantitative Serum
₹ 7500
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Locations Near You in Hyderabad
  • 4KM from Madhapur
  • 3KM from Banjara Hills
  • 1.9KM from Yusufguda
  • 3KM from Madhura Nagar
  • 5KM from Shaikpet