{
  "ConceptSets": [
    {
      "id": 0,
      "name": "[MVK] Penicillin V",
      "expression": {
        "items": [
          {
            "concept": {
              "CONCEPT_CLASS_ID": "Ingredient",
              "CONCEPT_CODE": "7984",
              "CONCEPT_ID": 1729720,
              "CONCEPT_NAME": "penicillin V",
              "DOMAIN_ID": "Drug",
              "INVALID_REASON": "V",
              "INVALID_REASON_CAPTION": "Valid",
              "STANDARD_CONCEPT": "S",
              "STANDARD_CONCEPT_CAPTION": "Standard",
              "VOCABULARY_ID": "RxNorm"
            },
            "includeDescendants": true
          }
        ]
      }
    }
  ],
  "PrimaryCriteria": {
    "CriteriaList": [
      {
        "DrugExposure": {
          "CodesetId": 0
        }
      }
    ],
    "ObservationWindow": {
      "PriorDays": 0,
      "PostDays": 0
    },
    "PrimaryCriteriaLimit": {
      "Type": "First"
    }
  },
  "QualifiedLimit": {
    "Type": "First"
  },
  "ExpressionLimit": {
    "Type": "First"
  },
  "InclusionRules": [],
  "EndStrategy": {
    "CustomEra": {
      "DrugCodesetId": 0,
      "GapDays": 0,
      "Offset": 0
    }
  },
  "CensoringCriteria": [],
  "CollapseSettings": {
    "CollapseType": "ERA",
    "EraPad": 30
  },
  "CensorWindow": {},
  "cdmVersionRange": ">=5.0.0"
}