| parent | Natriuretic peptide.B | LP28609-3 | 
| child | Natriuretic peptide B [Mass/volume] in Serum or Plasma | 30934-4 | 
| child | Natriuretic peptide B [Mass or Moles/volume] in Serum or Plasma | 35257-5 | 
| child | Natriuretic peptide B [Moles/volume] in Serum or Plasma | 47092-2 | 
| child | Natriuretic peptide B [Mass/volume] adjusted for eGFR in Serum or Plasma | 107231-3 | 
| STATUS | NotStated | 
| PartDisplayName | en-US | Natriuretic peptide B | Serum or Plasma | Chemistry - non-challenge | 
LOINC Version: 2.81