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METANEPHRINES, URINE RANDOM

Test Code
METAUR
 
SPECIMEN REQUIREMENTS
Container TypeLeakproof plastic urine container
Supply Item Numberpicture1387 or picture1388
Specimen TypeFrozen urine, random
Preferred Volume30 mL
Minimum Volume10 mL
Collection ProcedureCollect a random urine specimen in a leakproof plastic urine container.
Specimen ProcessingAliquot 30 mL of a random urine specimen and adjust pH to 1-3 with 6N HCl and freeze.
Store and TransportFrozen
StabilityRefrigerated Acidified: 1 week  Frozen (-20 °C) Acidified: 1 month  
LimitationsFalse positives can be seen with stress.
CPT Codes83835, 82570
Billing CodeMETAUR
Test ScheduleMon, Wed, Fri
Turnaround Time3-5 days
MethodHPLC/Electro Det/Enzymatic (IDMS traceable)
Test IncludesCreatinine, Urine Random, mg/dL; Metanephrine, Urine, Random, mg/L; Metanephrine (Calculation), Normetanephrine, mg/L; Normetanephrine (Calculation), ug/gCr; Total Metanephrines, mg/L
Reference Ranges
TitleDescriptorRangesUnits
Creatinine, Urine Random19-311mg/dL
Metanephrine, Urine RandomNo reference range establishedmg/L
Metanephrine, Urine Randomug/gCr
3-8 years47-240
9-12 years40-220
13-17 years33-145
Adults31-140
NormetanephrineNo reference range establishedmg/dL
Normetanephrineug/gCr
3-8 years62-705
9-12 years81-583
13-17 years95-375
Adults47-310
Total MetanephrinesNo reference range establishedmg/dL
Patients on Buspirone therapy will show falsely elevated metanephrine levels.
Please note: A 24-hr urine collection is the preferred specimen. These reference ranges for random urine collections are based on literature review.
Compliance RemarksThis test was developed and its performance characteristics determined by PAML. The U.S. Food and Drug Administration (FDA) has not approved or cleared this test. However, FDA approval or clearance is currently not required for clinical use of this test. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions. PAML is authorized under Clinical Laboratory Improvement Amendments (CLIA) to perform high-complexity testing.

Interface Codes
typeorder codetest descriptionresult coderesult descriptionunitsdecimal placesloinc code
o83835.Z13Metanephrines, Urine Random
r83835.Z13Metanephrines, Urine Random82570.Z14Creatinine, Urine, mg/dLmg/dL02161-8
r83835.Z13Metanephrines, Urine Random83835.Z11Metanephrine, Urine, ug/gCrug/gCr39645-3
r83835.Z13Metanephrines, Urine Random83835.Z12Normetanephrine, Ur, ug/gCrug/gCr313783-6
r83835.Z13Metanephrines, Urine Random83835.Z5Metanephrine, Urine, mg/Lmg/L311139-3
r83835.Z13Metanephrines, Urine Random83835.Z6Normetanephrine, Urine, mg/Lmg/L32670-8
r83835.Z13Metanephrines, Urine Random83835.Z7Total Metanephrines, mg/Lmg/L32608-8

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