N-Methylhistamine, 24Hr Urine
Order Name
N-METHYLHI
Test Number: 3811100
Revision Date 03/03/2025
Test Number: 3811100
Revision Date 03/03/2025
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
N-Methylhistamine Level Urine
|
Liquid Chromatography/Tandem Mass Spectrometry | 44340-8 |
|
NMH Creatinine Urine
|
Liquid Chromatography/Tandem Mass Spectrometry | 2162-6 |
|
Creatinine Urine
|
Liquid Chromatography/Tandem Mass Spectrometry | 20624-3 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 5mL (3mL) | Urine, 24-hour | 24 hour Urine Container | Refrigerated |
| Instructions | Specimen Type: Plastic Urine Container Specimen Storage: Refrigerated Specimen Collection: 1. Collect urine for 24 hours. 2. No preservative. Special Instructions: Testing referred to Mayo Medical Laboratory ML#NMH24 Specimen Stability: Ambient: 14 days, Refrigerated : 28 days, Frozen: 28 days |
|||
| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 10 - 18 days |
| CPT Code(s) | 82542 |
| Internal Comments | 2016 cpt 83789 to 82542 6/28/18 moved from mayo to arup s/o to mayo for same test - JK 8/8/19 changed TAT from 3-6 days to 7-10 days - JK 08/12/20 Updated stability - SN |
| Lab Section | Reference Lab |