Adrenal Group

Test Code

CPT Codes
82384, 83835, 84585

Catecholamine Fractionation, Urine; Vanillylmandelic Acid, 24-Hour Urine; Metanephrines, 24-Hour Urine

Preferred Specimen
Please see the individual tests for specimen requirements and stabilities.

Patient Preparation
It is preferable to be off medication for 3 days before specimen 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 24 hours before collection.

Please specify on the request form and on the urine container the total 24-hour urine volume.


Setup Schedule
Set up: Mon-Fri; Report available: 2 days

Reference Range
See individual tests

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.