| CLASS | HEM/BC | LP7803-2 | 
| COMPONENT | Complement C1.functional | LP129921-5 | 
| PROPERTY | ACnc | LP6773-8 | 
| TIME_ASPCT | Pt | LP6960-1 | 
| SYSTEM | Ser | LP7567-3 | 
| SCALE_TYP | Qn | LP7753-9 | 
| parent | Complement C1.functional | Serum | Hematology and Cell counts | LP393696-2 | 
| CLASSTYPE | Laboratory class | |
| ORDER_OBS | Both | |
| EXAMPLE_UNITS | arb U/mL | |
| EXAMPLE_UCUM_UNITS | [arb'U]/mL | |
| UNITSREQUIRED | N | |
| STATUS | ACTIVE | 
| LONG_COMMON_NAME | en-US | Complement C1.functional [Units/volume] in Serum | 
| LONG_COMMON_NAME | en-US | Complement C1.functional [Units/volume] in Serum | 
| SHORTNAME | en-US | C1.functional Ser-aCnc | 
| ConsumerName | en-US | Complement C1.functional, Blood | 
| LONG_COMMON_NAME | nl-NL | Complement C1.functioneel [eenheid/volume] in serum | 
| LONG_COMMON_NAME | es-MX | Complemento C1 funcional: Suero : Punto temporal: Concentración arbitraria: Cuantitativo: | 
LOINC Version: 2.78