obtained via diagnostic tool Measure of Frequency of Sickle Cell Pain Episodes Diagnostic Instrument Measurement Frequency of Sickle Cell Pain Episodes Request inclusion into relevant ontology Add as sub-classes: (from protocol questions) - a term for the number of times an emergency room was visited because of a sickle cell painful event in the last 6 months - a term for the number of times the person was admitted to a hospital because of a sickle cell painful event in the last 12 months Not relevant to context of sickle cell. This term in PhenX currently refers to a diagnostic instrument. The frequency of acute pain episodes due to sickle cell disease (SCD).