| parent | IgG | LP14672-7 |
| child | IgG subclass 4 | Body fluid | Chemistry - non-challenge | LP427050-2 |
| child | IgG subclass 4 | Serum | Chemistry - non-challenge | LP384837-3 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | IgG subclass 4 |
| DisplayName | en-US | IgG subclass 4 |
LOINC Version: 2.78