Time of onset

Time of onset (observable entity)

active

Code	`263501003`
Semantic tag	observable entity
Module	international
Definition	primitive
Effective time	20020131

Parents (1)

364713004Temporal observable observable entity

Children (5)

448906006Time from onset of pain to administration of thrombolytic agent observable entity
448878007Time from onset of pain to call for help observable entity
417436002Time of health condition onset observable entity
416524004Time of illness onset observable entity
405795006Time of symptom onset observable entity