| parent | Renal function | LP31398-8 |
| child | Nitrite | Blood | Chemistry - non-challenge | LP385403-3 |
| child | Nitrite | Dialysis fluid | Chemistry - non-challenge | LP385404-1 |
| child | Nitrite | Serum or Plasma | Chemistry - non-challenge | LP385405-8 |
| child | Nitrite | Urine | Chemistry - non-challenge | LP385406-6 |
| child | Nitrite | Water | Chemistry - non-challenge | LP385407-4 |
| parent | Analytes | LP40317-7 |
| child | Nitrite | Urine | Urinalysis | LP402532-8 |
| PartDisplayName | en-US | Nitrite |
| DisplayName | en-US | Nitrite |
LOINC Version: 2.77
FHIR