Instructions: 2.0mL specimen from 24hr urine. Add Boric acid and refrigerate during
collection to keep pH 2-4. Min 1.5mL.
Text: Useful as an auxiliary test to fractionated plasma and urine
metanephrine in the dx of pheochromocytoma and paranglioma. Used with
VMA and HVA in dx of neuroblastoma and related tumors.
Components: Z0338 Catecholamine Fract, Free; Z0339 Hours, Catechol; Z0340 Urine Volume; Z0341 Norepinephrine; Z0342 Epinephrine; Z0343 Dopamine.
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