Citrulline Quantitative Serum Test

This test measures the amount of citrulline in your blood serum. 

• This test is mainly done to diagnose and monitor metabolic disorders like citrullinemia and liver diseases.
• It can also help identify the severity of these conditions and guide treatment plans. 

Your doctor may recommend this test if you

• Have symptoms suggestive of metabolic disorders, such as high levels of ammonia in your blood.
• Have a family history of citrullinemia.
• If you are undergoing treatment for a metabolic disorder or liver disease.

Elevated levels of citrulline in the blood can indicate metabolic disorders such as citrullinemia or liver diseases. 

During this test, a healthcare provider will draw a sample of your blood from a vein in your arm. You may feel a small prick when the needle is inserted and may experience some mild bruising or discomfort after the test.

There are no specific preparations required for this test. However, you should inform your doctor about any medications or supplements you are taking that may interfere with the test results. It is advisable to consult your healthcare provider to determine if there are any particular requirements you should be aware of.

Other tests that may be recommended with the Citrulline Quantitative Serum test include the following:

• Ammonia blood test
• Amino acid test
• Liver function test
• Genetic testing for citrullinemia

Citrulline blood test or citrulline level

Citrullinemia is a rare genetic disorder that affects the urea cycle, leading to high levels of ammonia in the blood. Symptoms include nausea, vomiting, seizures, developmental delays, and loss of consciousness. Treatment involves dietary modification and medication.