Item Value
Test name Metanephrines, 24 hour urine
Available Stat? No
Turn around times Test performed Monday-Friday. Turnaround time: 3-6 days.
Performed by Quest
Patient Preparation Patient should avoid tobacco, tea, coffee, for 3 days prior to specimen collection.

It is preferable for the patient to be off medications for 3 days prior to collection.

Common antihypertensives (diuretics, ACE inhibitors, calcium channel blockers, alpha and beta blockers) cause minimal or no interference. Medications which are alpha agonists (Aldomet), alpha blockers (Dibenzyline) should be avoided 18-24 hrs prior to specimen collection.
Normal range Metanephrine
3 months-4 years 25-117 µg/d
5-9 years 11-139 µg/d
10-13 years 51-275 µg/d
14-17 years 40-189 µg/d
18-29 years 25-222 µg/d
30-39 years 36-190 µg/d
40-49 years 58-203 µg/d
≥ 50 years 90-315 µg/d


Normetanephrine
3 months-4 years 54-249 µg/d
5-9 years 31-398 µg/d
10-13 years 67-503 µg/d
14-17 years 69-531 µg/d
18-29 years 40-412 µg/d
30-39 years 35-482 µg/d
40-49 years 88-649 µg/d
≥ 50 years 122-676 µg/d


Metanephrine, Total
3 months-4 years 79-345 µg/d
5-9 years 49-408 µg/d
10-13 years 110-714 µg/d
14-17 years 107-741 µg/d
18-29 years 94-604 µg/d
30-39 years 115-695 µg/d
40-49 years 182-739 µg/d
≥ 50 years 224-832 µg/d
Container type 24 hour urine collection container

Click here for Urine Preservative Requirements
Amount to Collect Entire 24 hour urine output
Collection Instructions Obtain container from Specimen Receiving.

Refrigerate container during collection
Sample type 24 hour urine collection

If you have additional questions regarding this test, please call: 415-353-1667