| parent | von Willebrand factor.ristocetin cofactor | LP16329-2 | 
| child | von Willebrand factor (vWf) ristocetin cofactor [Units/volume] in Platelet poor plasma | 4680-5 | 
| STATUS | NotStated | 
| PartDisplayName | en-US | von Willebrand factor (vWf) ristocetin cofactor | Platelet poor plasma | Coagulation | 
LOINC Version: 2.78