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HelpTest ID NBLD0055 Catecholamines, Fractionated, Random Urine
Specimen Type/Requirements
Urine container w/ preservative - Random Urine
Sterile or non-sterile container - Random Urine
It is preferable for the patient to be off medications for three days prior to collection. However, common antihypertensives (diuretics, ACE inhibitors, calcium channel blockers, alpha and beta blockers) cause minimal or no interference. Patient should avoid alcohol, coffee, tea, tobacco, and strenuous exercise before collection.
Adjust pH after collection to a pH below 3 with 6N HCl.
Urine without preservative is acceptable, if pH is below 6 and shipped frozen.
Specimen Volume
| Preferred Volume | 10.0 mL |
|---|---|
| Minimum Volume | 5.0 mL |
Performed Test Frequency
Monday through Friday
Report Available
2 days
Methodology
Ultra Performance Liquid Chromatography, Electrochemical Detection
Performing Lab
Quest Chantilly
CPT
82384
Interface Build Information
| Result Code | Result Code Description |
|---|---|
| 5542 | Ephinephrine Urine |
| 5543 | Norephinephrine Urine |
| 5545 | Total Catecholamine Urine |
| 5544 | Dopamine Urine |
| 5546 | Creatinine Urine |
Stability/Transport
| Unpreserved Urine | Preserved Urine | ||
|---|---|---|---|
| Room Temperature | Unacceptable | 7 days | |
| Refrigerated | Unacceptable | 7 days | |
| Frozen | Only | 28 days | Preferred for transport |
Additional Information
Test includes: Creatinine, Norepinephrine, Epinephrine, Dopamine and Total Catecholamines (calculated)