| parent | Electrolytes | LP19403-2 |
| child | Osmol gap | Serum or Plasma | Chemistry - non-challenge | LP386598-9 |
| child | Osmol gap | Stool | Chemistry - non-challenge | LP386599-7 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Osmol gap |
| DisplayName | en-US | Osmol gap |
LOINC Version: 2.81