library CMS55 version '1' /* CMS55v1 NQF0495 Median Time from ED Arrival to ED Departure for Admitted ED Patients Population criteria Initial Patient Population = AND: "Occurrence A of Encounter, Performed: Encounter Inpatient (length of stay <= 120 day(s))" AND: "Occurrence A of Encounter, Performed: Encounter Inpatient (discharge datetime)" during "Measurement Period" Measure Population = AND: "Initial Patient Population" AND: "Occurrence A of Encounter, Performed: Emergency Department Visit" <= 1 hour(s) ends before start of "Occurrence A of Encounter, Performed: Encounter Inpatient" Measure observations Median of:Time difference of: AND: "Occurrence A of Encounter, Performed: Emergency Department Visit (facility location arrival datetime)" AND: "Occurrence A of Encounter, Performed: Emergency Department Visit (facility location departure datetime)" Data criteria (QDM Data Elements) "Diagnosis, Active: Psychiatric/Mental Health Patient" using "Psychiatric/Mental Health Patient Grouping Value Set (2.16.840.1.113883.3.117.1.7.1.299)" "Encounter, Performed: Emergency Department Visit" using "Emergency Department Visit Grouping Value Set (2.16.840.1.113883.3.117.1.7.1.293)" "Encounter, Performed: Encounter Inpatient" using "Encounter Inpatient SNOMED-CT Value Set (2.16.840.1.113883.3.666.5.307)" Attribute: "Ordinality: Principal Diagnosis" using "Principal Diagnosis SNOMED-CT Value Set (2.16.840.1.113883.3.117.2.7.1.14)" Reporting Stratification Reporting Stratum 1 = AND: "Occurrence A of Encounter, Performed: Emergency Department Visit" <= 1 hour(s) ends before start of "Occurrence A of Encounter, Performed: Encounter Inpatient" Reporting Stratum 2 = AND NOT: "Diagnosis, Active: Psychiatric/Mental Health Patient (ordinality: 'Principal Diagnosis')" starts during "Occurrence A of Encounter, Performed: Emergency Department Visit" Reporting Stratum 3 = AND: "Diagnosis, Active: Psychiatric/Mental Health Patient (ordinality: 'Principal Diagnosis')" starts during "Occurrence A of Encounter, Performed: Emergency Department Visit" Supplemental Data Elements "Patient Characteristic Ethnicity: Ethnicity" using "Ethnicity CDC Value Set (2.16.840.1.114222.4.11.837)" "Patient Characteristic Payer: Payer" using "Payer Source of Payment Typology Value Set (2.16.840.1.114222.4.11.3591)" "Patient Characteristic Race: Race" using "Race CDC Value Set (2.16.840.1.114222.4.11.836)" "Patient Characteristic Sex: ONC Administrative Sex" using "ONC Administrative Sex Administrative Sex Value Set (2.16.840.1.113762.1.4.1)" */ using QUICK valueset "Inpatient": '2.16.840.1.113883.3.666.5.307' valueset "Emergency Department Visit": '2.16.840.1.113883.3.117.1.7.1.293' parameter MeasurementPeriod default Interval[@2014-01-01T00:00:00.0, @2015-01-01T00:00:00.0) context Patient define "InpatientEncounters": ["Encounter": "Inpatient"] E where E."length" <= 120 days and E."period" ends during MeasurementPeriod define "EDEncounters": ["Encounter": "Emergency Department Visit"] ED with "InpatientEncounters" E such that ED."period" ends 1 hour or less before start of E."period" define "MeasureObservation": "EDEncounters" E where start of E."period" is not null and end of E."period" is not null return duration in minutes of E."period" context Population define "MeasureScore": Median("MeasureObservation")