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Metanephrines, 24 Hour Urine

Container Type = Orange Urine Red Lable or Orange Urine Yellow Lable

Container Type

Includes: Metanephrine and Normetanephrine

Test ID LAB409
EPIC ORDER METANEPHRINES, URINE, 24 HOUR
CPT Code(s) 83835
Group/Individual Test Group
Laboratory Core Referral Testing
Tube Station N/A
Specimen Routine: 24 hr urine, red (adult)/yellow (<5yrs old) container; refrigerate during collection: See Comments
Availability Routine: Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time 5-7 Days
Reference Range See separate report
Comments
Obtain Red/Yellow container from Core Laboratory.
Tricyclic antidepressants, labetalol and sotalol (beta blockers) may elevate levels of metanephrines. If clinically feasible, these medications should be discontinued at least 1 week before collection.

Reviewed by J. Carr on December 17, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514