Methodology
High Performance Liquid Chromatography (HPLC)
Specimen Type
Urine, Random
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB01562
Lab Test Days
Monday-Friday
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
Refrigerate-OK/Frozen-OK/Ambient-OK
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)
Comments
Indicate pH in comments and on specimen.
CPT Codes
82384, 82570
Revised
02-07-15
Initials
SL