VMA (Vanillylmandelic Acid), Random Urine QVMARU

Method(s) High Performance Liquid Chromatography (HPLC), Electrochemical Detection
Synonym VMA, VMA, Random Urine
Components Creatinine
Specimen Required
Collect

Random urine.

Transport

10 mL urine ambient - pH adjusted to less than 3.0 using 6N HCI (Min: 0.5 mL).

* Collection Instructions *

Urine without preservative is acceptable if pH is below 6 and the sample is shipped frozen.

Remarks

Patient Preparation:

  • It is preferable for the patient to be off medications for three days prior to collection. However, common antihypertensive (diuretics, ace inhibitors, calcium channel blockers, alpha and beta blockers) cause minimal or no interference.
  • Patient should avoid alcohol, coffee, tea, tobacco (including use of nicotine patch), banana, citrus bruits and strenuous exercise prior to collection.
Stability

Ambient: 10 days

Refrigerated: 14 days

Frozen: 1 year

Unacceptable Conditions
  • pH greater than 3.0
  • Received frozen
Schedule Mon-Sat; report available: 6-9 days
CPTCode 82570, 84585
Notes Performing Laboratory-Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
Preferred Specimen Collection Device(s)
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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