Vanillylmandelic acid (u) (Urine (u))
| Testcode: | E_VMS24 |
| 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: | 3 days |
| Indication/Significance: | Drug refractory hypertonia, suspected diagnosis catecholamine-producing tumor, e.g. pheochromocytoma, neuroblastoma |
| Interpretation: |
Elevated values can be more… Elevated values can be an indication of dopamine-secreting tumours (e.g. neuroblastoma) or catecholamine-secreting tumours (e.g. phaeochromocytoma) |
| Further tests: | metanephrines in plasma or urine |
sample referred to a partner lab
initial letter
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.