{
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          {
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            }
          },
          {
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              "CONCEPT_CODE": "52.6",
              "CONCEPT_ID": 2003351,
              "CONCEPT_NAME": "Total pancreatectomy",
              "DOMAIN_ID": "Procedure",
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              "INVALID_REASON_CAPTION": "Valid",
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    "CriteriaList": [
      {
        "ProcedureOccurrence": {
          "CodesetId": 81
        }
      }
    ],
    "ObservationWindow": {
      "PriorDays": 0,
      "PostDays": 0
    },
    "PrimaryCriteriaLimit": {
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    }
  },
  "QualifiedLimit": {
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  },
  "ExpressionLimit": {
    "Type": "First"
  },
  "InclusionRules": [
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      "name": "Age above 18 years",
      "expression": {
        "Type": "ALL",
        "CriteriaList": [],
        "DemographicCriteriaList": [
          {
            "Age": {
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              "Op": "gte"
            }
          }
        ],
        "Groups": []
      }
    },
    {
      "name": "Inpatient visit on day of surgery without ER visit immediately on or prior",
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        "CriteriaList": [
          {
            "Criteria": {
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                "CorrelatedCriteria": {
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                    {
                      "Criteria": {
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                      },
                      "StartWindow": {
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                          "Days": 2,
                          "Coeff": -1
                        },
                        "End": {
                          "Days": 0,
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                      },
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                "CodesetId": 0
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            },
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              },
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              },
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              },
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        "Groups": []
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    },
    {
      "name": "Observation period of 365 days",
      "expression": {
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        "CriteriaList": [
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            "Criteria": {
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            },
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  "CensoringCriteria": [],
  "CollapseSettings": {
    "CollapseType": "ERA",
    "EraPad": 0
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  "CensorWindow": {},
  "cdmVersionRange": ">=5.0.0"
}