| parent | General terms | LP31418-4 |
| child | Horowitz index | Blood and Inhaled gas | Chemistry - non-challenge | LP386668-0 |
| child | Horowitz index | Arterial blood and Inhaled gas | Chemistry - non-challenge | LP386669-8 |
| child | Horowitz index | Cord blood and Inhaled gas | Chemistry - non-challenge | LP386670-6 |
| child | Horowitz index | Mixed venous blood and Inhaled gas | Chemistry - non-challenge | LP386671-4 |
| child | Horowitz index | Venous blood and Inhaled gas | Chemistry - non-challenge | LP386672-2 |
| PartDisplayName | en-US | Horowitz index |
| DisplayName | en-US | Horowitz index |
LOINC Version: 2.77
FHIR