-
Initial Patient Population =
- AND: "Patient Characteristic Birthdate: birth date" >= 18 year(s) starts before start of "Occurrence A of Encounter, Performed:
Inpatient Encounter"
- AND: "Occurrence A of Encounter, Performed: Inpatient Encounter (length of stay <= 120 day(s))"
- AND: "Occurrence A of Encounter, Performed: Inpatient Encounter (discharge datetime)" during "Measurement Period"
- AND:
- OR:
- AND NOT: "Diagnosis, Active: Venous Thromboembolism (ordinality: 'Principal Diagnosis')"
- AND: "Diagnosis, Active: Venous Thromboembolism"
- OR:
- AND NOT: "Diagnosis, Active: Obstetrics VTE (ordinality: 'Principal Diagnosis')"
- AND: "Diagnosis, Active: Obstetrics VTE"
- starts during "Occurrence A of Encounter, Performed: Inpatient Encounter"
-
Denominator =
- AND: "Initial Patient Population"
- AND:
- OR: "Diagnostic Study, Result: VTE Diagnostic Test (result: 'VTE Confirmed')" during "Occurrence A of Encounter, Performed:
Inpatient Encounter"
- OR: "Diagnostic Study, Result: VTE Diagnostic Test (result: 'VTE Confirmed')" <= 2 day(s) starts before start of "Occurrence
A of Encounter, Performed: Inpatient Encounter"
- OR:
- AND: "Occurrence A of Encounter, Performed: Inpatient Encounter (admission datetime)" <= 1 hour(s) starts after end of "Occurrence
A of Encounter, Performed: Emergency Department Visit (facility location departure datetime)"
- AND:
- OR: "Diagnostic Study, Result: VTE Diagnostic Test (result: 'VTE Confirmed')" <= 2 day(s) starts before start of "Occurrence
A of Encounter, Performed: Emergency Department Visit (facility location arrival datetime)"
- OR: "Diagnostic Study, Result: VTE Diagnostic Test (result: 'VTE Confirmed')" during "Occurrence A of Encounter, Performed:
Emergency Department Visit"
- OR: "Diagnostic Study, Result: VTE Diagnostic Test (result: 'VTE Confirmed')" during "Occurrence A of Encounter, Performed:
Inpatient Encounter"
-
Denominator Exclusions =
- AND:
- OR: "Medication, Administered: Unfractionated Heparin (route: 'Intravenous route')" starts before start of ("Diagnostic Study,
Order: VTE Diagnostic Test" during "Occurrence A of Encounter, Performed: Inpatient Encounter")
- OR:
- AND: "Occurrence A of Encounter, Performed: Inpatient Encounter (admission datetime)" <= 1 hour(s) starts after end of "Occurrence
A of Encounter, Performed: Emergency Department Visit (facility location departure datetime)"
- AND:
- OR: "Medication, Administered: Unfractionated Heparin (route: 'Intravenous route')" starts before start of ("Diagnostic Study,
Order: VTE Diagnostic Test" during "Occurrence A of Encounter, Performed: Emergency Department Visit")
- OR:
- OR:
- AND:
- OR: "Medication, Administered not done: Medical Contraindication" for "Unfractionated Heparin RxNorm Value Set"
- OR: "Medication, Administered not done: Medical Contraindication" for "Low Molecular Weight Heparin RxNorm Value Set"
- OR: "Medication, Administered not done: Medical Contraindication" for "Injectable Factor Xa Inhibitor RxNorm Value Set"
- OR: "Medication, Administered not done: Medical Contraindication" for "Warfarin RxNorm Value Set"
- AND:
- OR: "Device, Applied not done: Medical Contraindication" for "Intermittent pneumatic compression devices (IPC) SNOMED-CT Value
Set"
- OR: "Device, Applied not done: Medical Contraindication" for "Venous foot pumps (VFP) SNOMED-CT Value Set"
- OR: "Device, Applied not done: Medical Contraindication" for "Graduated compression stockings (GCS) SNOMED-CT Value Set"
- OR:
- OR: "Medication, Administered not done: Patient Refusal" for "Low Molecular Weight Heparin RxNorm Value Set"
- OR: "Medication, Administered not done: Patient Refusal" for "Unfractionated Heparin RxNorm Value Set"
- OR: "Medication, Administered not done: Patient Refusal" for "Injectable Factor Xa Inhibitor RxNorm Value Set"
- OR: "Medication, Administered not done: Patient Refusal" for "Warfarin RxNorm Value Set"
- OR:
- OR: "Device, Applied not done: Patient Refusal" for "Venous foot pumps (VFP) SNOMED-CT Value Set"
- OR: "Device, Applied not done: Patient Refusal" for "Graduated compression stockings (GCS) SNOMED-CT Value Set"
- OR: "Device, Applied not done: Patient Refusal" for "Intermittent pneumatic compression devices (IPC) SNOMED-CT Value Set"
- during "Occurrence A of Encounter, Performed: Emergency Department Visit"
- OR:
- OR: "Intervention, Order: Palliative Care"
- OR: "Intervention, Performed: Palliative Care"
- starts during "Occurrence A of Encounter, Performed: Emergency Department Visit"
- OR:
- AND NOT: "Procedure, Performed: General or Neuraxial Anesthesia" during "Occurrence A of Encounter, Performed: Inpatient Encounter"
- AND:
- OR: "Diagnosis, Active: VTE Suspected"
- OR: "Diagnosis, Active: Obstetrics VTE"
- OR: "Diagnosis, Active: Venous Thromboembolism"
- OR: "Diagnostic Study, Order: VTE Diagnostic Test"
- <= 1 day(s) starts after start of "Occurrence A of Encounter, Performed: Inpatient Encounter"
- OR:
- AND: "Occurrence A of Encounter, Performed: Inpatient Encounter (admission datetime)" <= 1 hour(s) starts after end of "Occurrence
A of Encounter, Performed: Emergency Department Visit (facility location departure datetime)"
- AND:
- OR: "Diagnosis, Active: VTE Suspected"
- OR: "Diagnosis, Active: Obstetrics VTE"
- OR: "Diagnosis, Active: Venous Thromboembolism"
- OR: "Diagnostic Study, Order: VTE Diagnostic Test"
- during "Occurrence A of Encounter, Performed: Emergency Department Visit"
- OR:
- OR:
- AND:
- OR: "Medication, Administered not done: Medical Contraindication" for "Unfractionated Heparin RxNorm Value Set"
- OR: "Medication, Administered not done: Medical Contraindication" for "Low Molecular Weight Heparin RxNorm Value Set"
- OR: "Medication, Administered not done: Medical Contraindication" for "Injectable Factor Xa Inhibitor RxNorm Value Set"
- OR: "Medication, Administered not done: Medical Contraindication" for "Warfarin RxNorm Value Set"
- AND:
- OR: "Device, Applied not done: Medical Contraindication" for "Intermittent pneumatic compression devices (IPC) SNOMED-CT Value
Set"
- OR: "Device, Applied not done: Medical Contraindication" for "Venous foot pumps (VFP) SNOMED-CT Value Set"
- OR: "Device, Applied not done: Medical Contraindication" for "Graduated compression stockings (GCS) SNOMED-CT Value Set"
- OR:
- OR: "Medication, Administered not done: Patient Refusal" for "Low Molecular Weight Heparin RxNorm Value Set"
- OR: "Medication, Administered not done: Patient Refusal" for "Unfractionated Heparin RxNorm Value Set"
- OR: "Medication, Administered not done: Patient Refusal" for "Injectable Factor Xa Inhibitor RxNorm Value Set"
- OR: "Medication, Administered not done: Patient Refusal" for "Warfarin RxNorm Value Set"
- OR:
- OR: "Device, Applied not done: Patient Refusal" for "Venous foot pumps (VFP) SNOMED-CT Value Set"
- OR: "Device, Applied not done: Patient Refusal" for "Graduated compression stockings (GCS) SNOMED-CT Value Set"
- OR: "Device, Applied not done: Patient Refusal" for "Intermittent pneumatic compression devices (IPC) SNOMED-CT Value Set"
- during "Occurrence A of Encounter, Performed: Inpatient Encounter"
- OR:
- OR: "Intervention, Order: Palliative Care"
- OR: "Intervention, Performed: Palliative Care"
- starts during "Occurrence A of Encounter, Performed: Inpatient Encounter"
- OR:
- OR: "Diagnosis, Active: VTE Suspected"
- OR: "Diagnosis, Active: Obstetrics VTE"
- OR: "Diagnosis, Active: Venous Thromboembolism"
- OR: "Diagnostic Study, Order: VTE Diagnostic Test"
- starts before start of ("Procedure, Performed: General or Neuraxial Anesthesia" during "Occurrence A of Encounter, Performed:
Inpatient Encounter")
-
Numerator =
- AND NOT:
- AND: "Occurrence A of Diagnostic Study, Order: VTE Diagnostic Test"
- AND:
- OR: "Medication, Administered: Unfractionated Heparin (route: 'Intravenous route')"
- OR: "Medication, Administered: Low Molecular Weight Heparin (route: 'Subcutaneous route')"
- OR: "Medication, Administered: Injectable Factor Xa Inhibitor"
- OR: "Medication, Administered: Warfarin"
- OR: "Medication, Administered: Oral Factor Xa Inhibitor"
- OR: "Device, Applied: Venous foot pumps (VFP)"
- OR: "Device, Applied: Intermittent pneumatic compression devices (IPC)"
- OR: "Device, Applied: Graduated compression stockings (GCS)"
- >= 1 day(s) starts before start of "Occurrence A of Diagnostic Study, Order: VTE Diagnostic Test"
- during "Occurrence A of Encounter, Performed: Inpatient Encounter"
-
Denominator Exceptions =
-
"Device, Applied not done: Medical Contraindication" using "Medical Contraindication SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.412)"
-
"Device, Applied not done: Medical Contraindication" using "Medical Contraindication SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.412)"
-
"Device, Applied not done: Medical Contraindication" using "Medical Contraindication SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.412)"
-
"Device, Applied not done: Patient Refusal" using "Patient Refusal SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.93)"
-
"Device, Applied not done: Patient Refusal" using "Patient Refusal SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.93)"
-
"Device, Applied not done: Patient Refusal" using "Patient Refusal SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.93)"
-
"Device, Applied: Graduated compression stockings (GCS)" using "Graduated compression stockings (GCS) SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.256)"
-
"Device, Applied: Intermittent pneumatic compression devices (IPC)" using "Intermittent pneumatic compression devices (IPC) SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.214)"
-
"Device, Applied: Venous foot pumps (VFP)" using "Venous foot pumps (VFP) SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.230)"
-
"Diagnosis, Active: Obstetrics VTE" using "Obstetrics VTE Grouping Value Set (2.16.840.1.113883.3.117.1.7.1.264)"
-
"Diagnosis, Active: VTE Suspected" using "VTE Suspected SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.277)"
-
"Diagnosis, Active: Venous Thromboembolism" using "Venous Thromboembolism Grouping Value Set (2.16.840.1.113883.3.117.1.7.1.279)"
-
"Diagnostic Study, Order: VTE Diagnostic Test" using "VTE Diagnostic Test Grouping Value Set (2.16.840.1.113883.3.117.1.7.1.276)"
-
"Diagnostic Study, Result: VTE Diagnostic Test" using "VTE Diagnostic Test Grouping Value Set (2.16.840.1.113883.3.117.1.7.1.276)"
-
"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: Inpatient Encounter" using "Inpatient Encounter SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.23)"
-
"Intervention, Order: Palliative Care" using "Palliative Care SNOMED-CT Value Set (2.16.840.1.113883.3.526.2.1076)"
-
"Intervention, Performed: Palliative Care" using "Palliative Care SNOMED-CT Value Set (2.16.840.1.113883.3.526.2.1076)"
-
"Medication, Administered not done: Medical Contraindication" using "Medical Contraindication SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.412)"
-
"Medication, Administered not done: Medical Contraindication" using "Medical Contraindication SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.412)"
-
"Medication, Administered not done: Medical Contraindication" using "Medical Contraindication SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.412)"
-
"Medication, Administered not done: Medical Contraindication" using "Medical Contraindication SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.412)"
-
"Medication, Administered not done: Patient Refusal" using "Patient Refusal SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.93)"
-
"Medication, Administered not done: Patient Refusal" using "Patient Refusal SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.93)"
-
"Medication, Administered not done: Patient Refusal" using "Patient Refusal SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.93)"
-
"Medication, Administered not done: Patient Refusal" using "Patient Refusal SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.93)"
-
"Medication, Administered: Injectable Factor Xa Inhibitor" using "Injectable Factor Xa Inhibitor RxNorm Value Set (2.16.840.1.113883.3.117.1.7.1.211)"
-
"Medication, Administered: Low Molecular Weight Heparin" using "Low Molecular Weight Heparin RxNorm Value Set (2.16.840.1.113883.3.117.1.7.1.219)"
-
"Medication, Administered: Oral Factor Xa Inhibitor" using "Oral Factor Xa Inhibitor RxNorm Value Set (2.16.840.1.113883.3.117.1.7.1.134)"
-
"Medication, Administered: Unfractionated Heparin" using "Unfractionated Heparin RxNorm Value Set (2.16.840.1.113883.3.117.1.7.1.218)"
-
"Medication, Administered: Warfarin" using "Warfarin RxNorm Value Set (2.16.840.1.113883.3.117.1.7.1.232)"
-
"Patient Characteristic Birthdate: birth date" using "birth date LOINC Value Set (2.16.840.1.113883.3.560.100.4)"
-
"Procedure, Performed: General or Neuraxial Anesthesia" using "General or Neuraxial Anesthesia Grouping Value Set (2.16.840.1.113883.3.117.1.7.1.254)"
-
Attribute: "Ordinality: Principal Diagnosis" using "Principal Diagnosis SNOMED-CT Value Set (2.16.840.1.113883.3.117.2.7.1.14)"
-
Attribute: "Result: VTE Confirmed" using "VTE Confirmed SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.407)"
-
Attribute: "Route: Intravenous route" using "Intravenous route SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.222)"
-
Attribute: "Route: Subcutaneous route" using "Subcutaneous route SNOMED-CT Value Set (2.16.840.1.113883.3.117.1.7.1.223)"
-
"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)"