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Lab Test

Cystine Quantitative - Serum Test

Cystine is an amino acid that plays a vital role in building proteins within the body. It is formed by the combination of two molecules of the amino acid cysteine. Cystine is essential for various functions, including detoxification, tissue building, and supporting the immune system. However, in some cases, the body may accumulate an excessive amount of cystine due to genetic disorders such as cystinosis, which can lead to the formation of cystine crystals in different organs and tissues and cause various health problems.

  • Test Name Cystine Quantitative - Serum Test
  • Sample Type Serum
  • Preparations Required No special preparation is required for this test.
  • Report Time 8 days

The Cystine Quantitative - Serum Test is a blood test used to measure the levels of cystine in the blood. It's primarily used to diagnose and monitor cystinosis and other conditions that affect the metabolism of cystine. It can be critical in the early diagnosis of cystinosis in children, which is essential for timely intervention and management.

Home Sample Collection Process

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

The test is used to measure the levels of cystine in the blood and is primarily used to diagnose and monitor the genetic disorder cystinosis and other conditions that affect cystine metabolism.

The blood sample is collected from a vein in the arm. The area is cleaned with an antiseptic, and a needle is used to draw blood into a vial or tube.

No, fasting is not required for this test.

Elevated levels of cystine in the blood may indicate cystinosis or another disorder affecting cystine metabolism. Normal levels suggest that cystine metabolism is likely functioning properly.

Cystinosis is a genetic disorder that results in the accumulation of cystine within cells. This accumulation forms crystals that can damage various organs and tissues, including the kidneys, eyes, muscles, and pancreas.

Common symptoms of cystinosis include excessive thirst and urination, poor growth, loss of appetite, vomiting, sensitivity to light, and muscle weakness.

Cystinosis is often treated with medications that help remove cystine from the cells. Dietary changes, supplements, and supportive care may also be necessary to manage symptoms and complications.

Yes, the test can be used to monitor cystine levels over time, which can help assess the effectiveness of treatment for cystinosis.

The risks are minimal and similar to those associated with a regular blood draw, such as slight pain, bruising, or infection at the puncture site.

There is no cure for cystinosis, but treatment can help manage symptoms and slow the progression of the disease.

No, cystinosis is a genetic disorder and is not contagious.

Genetic factors are the primary cause of abnormal cystine levels. Certain medications and diet can also affect cystine levels, but these influences are usually not as significant as genetic factors.

In case of abnormal cystine levels, it is advisable to consult a nephrologist or a geneticist.

Yes, early detection of elevated cystine levels, especially in cases of cystinosis, is crucial for initiating timely treatment, which can help manage symptoms and prevent or delay complications.

The frequency of testing depends on the specific case and should be determined by the healthcare provider based on the patient's condition and treatment plan.

The Cystine Quantitative - Serum Test is an important tool in the diagnosis and management of cystinosis and other disorders affecting cystine metabolism. Understanding the role of cystine in the body and the implications of its abnormal levels is essential for patients and their families, especially in cases of genetic disorders like cystinosis. Early diagnosis and regular monitoring can be pivotal in ensuring the most effective management and improving the quality of life for those affected by these conditions.

Cystine Quantitative - Serum
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  • 3KM from Banjara Hills
  • 1.9KM from Yusufguda
  • 3KM from Madhura Nagar
  • 5KM from Shaikpet