Vanillylmandelic Acid, Urine
CATEGORY: LAB      MNEMONIC: VMA
LAB: Ref
DEPT: LC
TAT: 4 days
TEST#: 4143
CPT: 84585

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PREFERRED SPECIMEN:
     50 ml Urine - Hydrochloric Acid - 24 hr collection

MINIMUM SPECIMEN:
     10 ml Urine - Hydrochloric Acid -24 hr collection

SPECIAL INSTRUCTIONS:
     Patient should avoid salicylates, caffeine, phenothiazine, and antihypertension agents. Also coffee, tea, chocolate, fruit (especially bananas and any vanilla containing substances for 72 hours prior to collection).

REFERENCE RANGE:
     Reference ranges vary with age on random specimens.