Vanillylmandelic Acid, Urine
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To assist in the diagnosis and follow up treatment of pheochromocytoma, neuroblastoma, and ganglioblastoma. This test can also be useful in evaluation and follow-up of hypertension.
Urine from a timed specimen collected in a clean plastic collection container with 6N hydrochloric acid as a preservative.
(Method: High-pressure liquid chromatography)
|Age||Conventional Units||SI Units (Conventional Units × 5.05)|
|3–6 yr||1–2.6 mg/24 hr||5–13 micromol/24 hr|
|7–10 yr||2–3.2 mg/24 hr||10–16 micromol/24 hr|
|11–16 yr||2.3–5.2 mg/24 hr||12–26 micromol/24 hr|
|17–83 yr||1.4–6.5 mg/24 hr||7–33 micromol/24 hr|