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Vanillylmandelic acid (u) (Urine (u))

Specimens: 10 ml Urine (u)
Info: Please note that testing ordered for homovanillyl acid and vanillinmandelic acid can only be performed if there is no additional order for katecholamines or metanephrines under this order number.
Preanalytics/Notes:

Acidify 10 ml spot urine with 4-5 drops of approximately 10-20 % hydrochloric acid and mix. Medication interfering with the sympathetic nervous system or the metabolism of catecholamines should be terminated approximately 1 week before testing - but only when appropriate by the clinical condition of the patient. Avoid stimulating drinks and food, like coffee, tea, nuts and tropical fruits approximately 1-3 days before testing.

Method: Liquid chromatography-tandem mass spectr
Dimension: mg/l
Alternate dimension: µmol/l (Factor: 5.0499)  Calculator
Set-up: Mon Tue Wed Thu Fri Sat Sun
Duration: 4 days
Indication/Significance:

Drug refractory hypertonia, suspected diagnosis catecholamine-producing tumor, e.g. pheochromocytoma, neuroblastoma

Interpretation:
Further tests:

metanephrines in plasma or urine

sample referred to a partner lab

initial letter


Calculator for Vanillylmandelic acid (u)

0.00 µmol/l
0.00 mg/l


Abrechnung GOÄ

Die Kosten werden für den i. d. R. genutzten 1,15-fachen GOÄ-Satz dargestellt. Wird die Unter­suchung nicht in Ihrem regionalen Labor durch­geführt, erfolgt die Analyse in dem Labor, das im Leistungs­ver­zeich­nis genannt ist. In diesem Fall gilt der dort für die Untersuchung angegebene Preis.