N-Methylhistamine, 24Hr Urine
Order Name
N-METHYLHI
Test Number: 3811100
Revision Date 08/12/2020
Test Number: 3811100
Revision Date 08/12/2020
Test Name | Methodology | LOINC Code |
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N-Methylhistamine Level Urine
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Liquid Chromatography/Tandem Mass Spectrometry | 44340-8 |
Creatinine Urine
|
Liquid Chromatography/Tandem Mass Spectrometry | 2161-8 |
NMH Creatinine Urine
|
Liquid Chromatography/Tandem Mass Spectrometry | |
Collection Duration - Prompt
|
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Collection Volume - Prompt
|
SPECIMEN REQUIREMENTS | ||||
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Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
Preferred | 5mL (3mL) | Urine, 24-hour | 24 hour Urine Container | Refrigerated |
Instructions | Mark Collection Duration and Total Volume on specimen and requisition. Unacceptable: Random urine, specimen containing preservatives. Patient Prep: Patient must not be taking monoamine oxidase inhibitors (MAOIs) or aminoguanidine as these medications increase N-methylhistamine (NMH) levels. Specimen Prep: Testing is not performed at ARUP, therefore separate specimens are required for multiple tests. Stability: Ambient: 2 weeks; Refrigerated: 28 days; Frozen: 28 days. |
GENERAL INFORMATION | |
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Testing Schedule | Varies |
Expected TAT | 3 -10 Days after setup |
Notes | Reference Lab: ARUP Test Code: 2011034 Click Here to view information on the ARUP website. |
CPT Code(s) | 82542 |
Lab Section | Reference Lab |