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Measures

Number of red blood cells in the blood

Identifies

Red blood cell disorders

Measures: Number of red blood cells in the blood

Identifies: Red blood cell disorders

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What is the maximum days the report can be obtained for the test

Test Name:
Homovanillic Acid (HVA) Spot Urine Test
Maximum Days for Report:
Results typically available within 1-2 weeks after sample collection.

What are the prerequisites for the test Homovanillic Acid (HVA) Spot Urine Test

  • Fast for 8-12 hours before the test
  • Avoid certain medications that may interfere with the test results, such as levodopa, methyldopa, and MAO inhibitors
  • Inform your healthcare provider about any medications or supplements you are currently taking
  • Certain foods and beverages may also need to be avoided before the test, such as bananas, avocados, and caffeine
  • Make sure to collect a fresh urine sample in a clean container

What are the measure values for the test Homovanillic Acid (HVA) Spot Urine Test

  • Normal range: 1.6-6.0 mg/g creatinine
  • Low values may indicate Parkinson's disease, depression, or schizophrenia
  • High values may indicate neuroblastoma, ganglioblastoma, or pheochromocytoma

What does this test Homovanillic Acid (HVA) Spot Urine Test identify?

Homovanillic Acid (HVA) Spot Urine Test

The Homovanillic Acid (HVA) Spot Urine Test is a diagnostic test that measures the levels of HVA in a person's urine. HVA is a metabolite of dopamine, a neurotransmitter that plays a key role in mood regulation, movement control, and reward processing in the brain.

By measuring HVA levels in the urine, this test can help identify conditions related to dopamine metabolism, such as Parkinson's disease, schizophrenia, and certain types of tumors. Abnormal levels of HVA may indicate a disruption in dopamine production or breakdown, which can provide valuable information for diagnosing and monitoring these conditions.

Why is this test Homovanillic Acid (HVA) Spot Urine Test taken?

The Homovanillic Acid (HVA) Spot Urine Test is taken to measure the levels of HVA in the urine. HVA is a metabolite of dopamine, which is a neurotransmitter in the brain that plays a role in mood regulation and movement control.

Abnormal levels of HVA in the urine can indicate various conditions such as certain types of tumors, Parkinson's disease, schizophrenia, or certain genetic disorders. This test is often used to help diagnose and monitor these conditions, as well as to assess the effectiveness of treatment.

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