| parent | Natriuretic peptide | LP94520-1 | 
| child | Natriuretic peptide.B prohormone N-Terminal | Blood | Chemistry - non-challenge | LP385936-2 | 
| child | Natriuretic peptide.B prohormone N-Terminal | Dialysis fluid peritoneal | Chemistry - non-challenge | LP385937-0 | 
| child | Natriuretic peptide.B prohormone N-Terminal | Pleural fluid | Chemistry - non-challenge | LP385938-8 | 
| child | Natriuretic peptide.B prohormone N-Terminal | Serum or Plasma | Chemistry - non-challenge | LP385939-6 | 
| child | Natriuretic peptide.B prohormone N-Terminal | Serum, Plasma or Blood | Chemistry - non-challenge | LP444069-1 | 
| STATUS | ACTIVE | 
| PartDisplayName | en-US | Natriuretic peptide.B prohormone N-Terminal | 
| DisplayName | en-US | Natriuretic peptide.B prohormone N-Terminal | 
LOINC Version: 2.81