| parent | Complement | LP16404-3 |
| child | Complement C2.functional | LP412251-3 |
| child | Complement C2 | Body fluid | Hematology and Cell counts | LP393719-2 |
| child | Complement C2 | Serum or Plasma | Hematology and Cell counts | LP393720-0 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Complement C2 |
| DisplayName | en-US | Complement C2 |
LOINC Version: 2.81