Abnormality of blood and blood-forming tissues Abnormality of coagulation SNOMEDCT_US:64779008 UMLS:C1846821 Abnormal blood coagulation studies UMLS:C0005779 MSH:D006474 UMLS:C0019087 Coagulation abnormalities Blood coagulation disorder Haemorrhagic disorders HP:0001928 SNOMEDCT_US:362970003 MSH:D001778 Coagulation abnormality An abnormality of the process of blood coagulation. That is, altered ability or inability of the blood to clot. human_phenotype