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Homovanillic Acid, Urine

Alias:

HVA (Homovanillic Acid), Neuroblastoma Profile

Methodology:

High Performance Liquid Chromatography

Performed:

Monday - Friday

Analytical Time:

1-3 days

Testing Laboratory:

Pathology Laboratory

Laboratory Section:

Core Laboratory

Homovanillic Acid, Urine

Container/Tube Type:

24 hour urine collection jug

Collection Information:

Urine Urine must be refrigerated during collection.

Transport Information:

Entire specimen.

Minimum Sample Volume: Minimum amount of analytical sample (serum, plasma, urine, CSF, etc.) required to perform an assay once. Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory or reflex testing. In some situations, a minimum specimen volume may result in a QNS (Quantity Not Sufficient) result, requiring a second specimen to be collected.

Minimum amount of analytical sample (serum, plasma, urine, CSF, etc.) required to perform an assay once. Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory or reflex testing. In some situations, a minimum specimen volume may result in a QNS (Quantity Not Sufficient) result, requiring a second specimen to be collected.

A refrigerated urine cup with at least 20 ml is preferred if the whole jug is not sent.

Remarks:

24-Hour specimen must be refrigerated during collection. Record total volume and collection time interval on transport tube and test request form.

Random samples accepted for pediatric patients.

Stability

Refrigerated Stability:

7 days

Frozen Stability:

14 days

Homovanillic Acid, Urine

Sunquest Order Code:

UHVA24

Epic Number: The test code used to identify this assay in Epic

LAB2114

CPT Code:

83150

Homovanillic Acid, Urine

Modified:

1/20/2010 1:56:21 PM