| parent | CARDIO-PULM | LP172861-9 |
| child | Perfusion index | Blood Postductal | Cardiopulmonary | LP408323-6 |
| child | Perfusion index | Blood Preductal | Cardiopulmonary | LP408324-4 |
| parent | PULM | LP7840-4 |
| child | Perfusion index | Tissue and Smears | Respiratory measures and Ventilator management | LP409132-0 |
| PartDisplayName | en-US | Perfusion index |
| DisplayName | en-US | Perfusion index |
LOINC Version: 2.77
FHIR