| parent | N-methylhistamine | LP18447-0 | 
| child | N-methylhistamine [Moles/volume] in 24 hour Urine | 34344-2 | 
| child | N-methylhistamine [Moles/time] in 24 hour Urine | 26053-9 | 
| child | N-methylhistamine [Mass/volume] in Urine | 12714-2 | 
| child | N-methylhistamine [Moles/volume] in Urine | 34345-9 | 
| child | N-methylhistamine/Creatinine [Mass Ratio] in 24 hour Urine | 44340-8 | 
| child | N-methylhistamine/Creatinine [Molar ratio] in 24 hour Urine | 80152-2 | 
| child | N-methylhistamine/Creatinine [Mass Ratio] in Urine | 13781-0 | 
| child | N-methylhistamine/Creatinine [Molar ratio] in Urine | 34346-7 | 
| STATUS | NotStated | 
| PartDisplayName | en-US | N-methylhistamine | Urine | Chemistry - non-challenge | 
LOINC Version: 2.81