{
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    {
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      "expression": {
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          {
            "concept": {
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              "CONCEPT_ID": 2107457,
              "CONCEPT_NAME": "Pulmonary endarterectomy, with or without embolectomy, with cardiopulmonary bypass",
              "DOMAIN_ID": "Procedure",
              "INVALID_REASON": "V",
              "INVALID_REASON_CAPTION": "Valid",
              "STANDARD_CONCEPT": "S",
              "STANDARD_CONCEPT_CAPTION": "Standard",
              "VOCABULARY_ID": "CPT4"
            },
            "includeDescendants": true
          }
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    "ObservationWindow": {
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      "PostDays": 0
    },
    "PrimaryCriteriaLimit": {
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  },
  "QualifiedLimit": {
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  "ExpressionLimit": {
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  "InclusionRules": [],
  "EndStrategy": {
    "DateOffset": {
      "DateField": "StartDate",
      "Offset": 0
    }
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  "CensoringCriteria": [],
  "CollapseSettings": {
    "CollapseType": "ERA",
    "EraPad": 0
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  "CensorWindow": {},
  "cdmVersionRange": ">=5.0.0"
}