- 3MT
3-Methoxytyramine, 24 Hour, Urine
Test Code
3MT
Specimen Name
3-Methoxytyramine, 24 Hour, Urine
CPT Codes
- 82542
Collect
24 hour urine, urine cup or specimen transport tube.
Stability
7 days refrigerated
Volume
10 mLs
Minimum Volume
4 mLs
Performed
Performed Monday through Friday - Reported 3-5 days
Components
—
Additional Information
Must Include: Collection Start-DateTime, Stop-DateTime and Total Volume. Tricyclic antidepressants, labetalol, and sotalol medications may elevate levels of catecholamines producing results that cannot be interpreted. If clinically feasible, it is optimal to discontinue these medications at least 1 week before collection. Levodopa (Sinemet) medication will cause false-positive results. For advice on assessing the risk of removing patients from these medications and alternatives, consider consultation with a specialist in endocrinology or hypertension.
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Common Lab Definitions
- Serum
- Plasma
- STT