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Lab Test Dictionary

Catecholamines, Fractionated, Random Urine (5244)


High Performance Liquid Chromatography (HPLC)

Specimen Type

Urine, Random

Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID


Lab Test Days


Standard TAT

5-7 Days

Collection Information

Specimen Required

10 mL Random Urine

Container Type

Sterile Container

Collection Instructions

It is preferable for the patient to be off medications for three days prior to collection. However, common antihypertensives (diuretics, ACE inhibitor, calcium channel blockers, alpha and beta blockers) cause minimal or no interferance. Patient should avoid alcohol, coffee, tea, tobacco and strenuous exercise prior to collection.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: 7 Days; Refrigerated: 30 Days; Frozen: 49 Days

Test Volume Required

10 mL

Minimum Test Volume

5 mL

Processing Instructions

After urine collection, add 6N HCl to maintain a pH below 3. Urine without preservative is acceptable if pH is below 6 and the sample is shipped frozen. Indicate pH in comments and on specimen.

Included Tests

Creatinine, Norepinephrine, Epinephrine, Dopamine and Total Catecholamines (calculated)


Indicate pH in comments and on specimen.

CPT Codes

82384, 82570