| parent | Apolipoproteins | LP31407-7 | 
| child | Apolipoprotein E1 | LP62814-6 | 
| child | Apolipoprotein E | Cerebral spinal fluid | Chemistry - non-challenge | LP428591-4 | 
| child | Apolipoprotein E | Serum or Plasma | Chemistry - non-challenge | LP382597-5 | 
| child | Apolipoprotein E2 | LP15405-1 | 
| child | Apolipoprotein E3 | LP18776-2 | 
| child | Apolipoprotein E4 | LP18777-0 | 
| child | Apolipoprotein E phenotype | LP31831-8 | 
| STATUS | ACTIVE | 
| PartDisplayName | en-US | Apolipoprotein E | 
| DisplayName | en-US | Apolipoprotein E | 
LOINC Version: 2.78