Test directory: N-Methylhistamine, 24 Hour, Urine

Ordering Code7989
Test NameN-Methylhistamine, 24 Hour, Urine
AliasUrinary N-Methylhistamine
Preferred SpecimenUrine, 24 Hour
Preferred Container24 Hour Urine Container
Optimum Volume5 mL
Collection InstructionsPatient must not be taking monoamine oxidase inhibitors (MAOIs) or aminoguanidine as these medications increase
N-Methylhistamine (NMH) levels.
Handling InstructionsSpecimen volume and duration are required.
Transport RequirementsOahu: Ambient
Airline: Refrigerated
Specimen StabilityAmbient: 14 Days
Refrigerated: 28 Days
Frozen: 28 Days
Avail. StatNO
Analytic Time10 Days
MethodologyNMH1D: Liquid Chromatography-Tandem Mass
Spectrometry (LC-MS/MS) CRT24; Enzymatic Colorimetric Assay
Reference Lab Mayo Medical Lab

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Collection DurationALLSee report.
Urine VolumeALLSee report.
Creatinine, 24 Hr, UALLSee report.
Creatinine Concentration, 24 Hr, UALLSee report.
N-Methylhistamine, 24 HrALLSee report.