dQM CMS Content Implementation Guide
2026.1.0 - CI Build

dQM CMS Content Implementation Guide, published by cqframework. This guide is not an authorized publication; it is the continuous build for version 2026.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/cqframework/dqm-content-cms-2026/ and changes regularly. See the Directory of published versions

: null - JSON Representation

Draft as of 2026-07-30

Raw json | Download

{
  "resourceType" : "Measure",
  "id" : "HOBExample",
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n  <table class=\"narrative-table\">\n    <tbody>\n<tr>\n\n\n<th colspan=\"2\" scope=\"row\" class=\"row-header\">Metadata</th>\n\n\n</tr>\n\n\n\n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Version</th>\n\n\n\n<td class=\"content-container\">2026.1.0</td>\n\n\n</tr>\n\n\n\n\n\n\n\n\n\n\n\n\n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Status</th>\n\n\n\n<td class=\"content-container\">Draft</td>\n\n\n</tr>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n  \n  \n  \n    \n    <tr>\n\n\n<th colspan=\"2\" scope=\"row\" class=\"row-header\">Measure Group (Rate) (ID: o-cob-prevalence-rate)</th>\n\n\n</tr>\n  \n  \n    \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Summary</th>\n\n\n\n<td class=\"content-container\">O-COB Prevalence Rate</td>\n\n\n</tr>\n\n  \n  \n  \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Basis</th>\n\n\n\n<td class=\"content-container\">Encounter</td>\n\n\n</tr>\n\n\n\n  \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Scoring</th>\n\n\n\n<td class=\"content-container\">\n    Proportion\n\n\n</td>\n\n\n</tr>\n\n\n\n\n\n\n\n\n\n\n\n\n  \n  \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Initial Population</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: o-cob-ip\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Outpatient (ED/OBS) encounters occurring within the measurement period</p>\n        \n        \n          \n            \n              <em>Criteria</em>: O-COB Prevalence Rate Initial Population\n            \n          \n          \n        \n        \n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Denominator</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: o-cob-denom\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Outpatient (ED/OBS) encounters occurring within the measurement period</p>\n        \n        \n          \n            \n              <em>Criteria</em>: O-COB Prevalence Rate Denominator\n            \n          \n          \n        \n        \n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n    \n      \n    \n\n    \n      \n    \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Numerator</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: o-cob-numer\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Number of outpatient O-COB events occurring within the measurement period</p>\n        \n        \n          \n            \n              <em>Criteria</em>: Numerator\n            \n          \n          \n        \n        \n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n    \n      \n    \n\n  \n\n\n  \n\n\n\n  \n  \n  \n    \n    <tr>\n\n\n<th colspan=\"2\" scope=\"row\" class=\"row-header\">Measure Group (Rate) (ID: cob-prevalence-rate)</th>\n\n\n</tr>\n  \n  \n    \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Summary</th>\n\n\n\n<td class=\"content-container\">COB Prevalence Rate</td>\n\n\n</tr>\n\n  \n  \n  \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Basis</th>\n\n\n\n<td class=\"content-container\">Encounter</td>\n\n\n</tr>\n\n\n\n  \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Scoring</th>\n\n\n\n<td class=\"content-container\">\n    Proportion\n\n\n</td>\n\n\n</tr>\n\n\n\n\n\n\n\n\n\n\n\n\n  \n  \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Initial Population</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: cob-ip\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Inpatient stays where at least one of the first three inpatient calendar days falls within the measurement period</p>\n        \n        \n          \n            \n              <em>Criteria</em>: COB Prevalence Rate Initial Population\n            \n          \n          \n        \n        \n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Denominator</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: cob-denom\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Inpatient stays where at least one of the first three inpatient calendar days falls within the measurement period</p>\n        \n        \n          \n            \n              <em>Criteria</em>: COB Prevalence Rate Denominator\n            \n          \n          \n        \n        \n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n    \n      \n    \n\n    \n      \n    \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Numerator</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: cob-numer\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Inpatient COB events occurring within the measurement period</p>\n        \n        \n          \n            \n              <em>Criteria</em>: Numerator\n            \n          \n          \n        \n        \n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n    \n      \n    \n\n  \n\n\n  \n\n\n\n  \n  \n  \n    \n    <tr>\n\n\n<th colspan=\"2\" scope=\"row\" class=\"row-header\">Measure Group (Rate) (ID: hob-crude-risk)</th>\n\n\n</tr>\n  \n  \n    \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Summary</th>\n\n\n\n<td class=\"content-container\">HOB Crude Risk</td>\n\n\n</tr>\n\n  \n  \n  \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Basis</th>\n\n\n\n<td class=\"content-container\">Encounter</td>\n\n\n</tr>\n\n\n\n  \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Scoring</th>\n\n\n\n<td class=\"content-container\">\n    Proportion\n\n\n</td>\n\n\n</tr>\n\n\n\n\n\n\n\n\n\n\n\n\n  \n  \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Initial Population</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: hob-crude-ip\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Number of inpatient stays where there are any inpatient days eligible for a hospital-onset event during the measurement period</p>\n        \n        \n          \n            \n              <em>Criteria</em>: HOB Crude Risk Initial Population\n            \n          \n          \n        \n        \n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Denominator</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: hob-crude-denom\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Number of inpatient stays where there are any inpatient days eligible for a hospital-onset event during the measurement period</p>\n        \n        \n          \n            \n              <em>Criteria</em>: HOB Crude Risk Denominator\n            \n          \n          \n        \n        \n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n    \n      \n    \n\n    \n      \n    \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Numerator</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: hob-crude-numer\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Number of inpatient stays with at least one HOB event occurring within the measurement period</p>\n        \n        \n          \n            \n              <em>Criteria</em>: Numerator\n            \n          \n          \n        \n        \n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n    \n      \n    \n\n  \n\n\n  \n\n\n\n  \n  \n  \n    \n    <tr>\n\n\n<th colspan=\"2\" scope=\"row\" class=\"row-header\">Measure Group (Rate) (ID: hob-incidence)</th>\n\n\n</tr>\n  \n  \n    \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Summary</th>\n\n\n\n<td class=\"content-container\">HOB Incidence Density</td>\n\n\n</tr>\n\n  \n  \n  \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Basis</th>\n\n\n\n<td class=\"content-container\">Encounter</td>\n\n\n</tr>\n\n\n\n  \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Scoring</th>\n\n\n\n<td class=\"content-container\">\n    Ratio\n\n\n</td>\n\n\n</tr>\n\n\n\n  \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Scoring Unit</th>\n\n\n\n<td class=\"content-container\">\n    per 100 eligible patient days\n\n\n</td>\n\n\n</tr>\n\n\n\n\n\n\n\n\n\n\n\n  \n  \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Initial Population</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: hob-incidence-ip\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Inpatient stay with days eligible for a hospital-onset event during the measurement period</p>\n        \n        \n          \n            \n              <em>Criteria</em>: HOB Incidence Initial Population\n            \n          \n          \n        \n        \n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Denominator</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: hob-incidence-denom\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Inpatient stay with days eligible for a hospital-onset event during the measurement period</p>\n        \n        \n          \n            \n              <em>Criteria</em>: Denominator\n            \n          \n          \n        \n        \n          <br/><em>Input Population</em>: hob-incidence-ip\n        \n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n    \n      \n    \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Numerator</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: hob-incidence-numer\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">HOB Event</p>\n        \n        \n          \n            \n              <em>Criteria</em>: HOB Incidence Numerator\n            \n          \n          \n        \n        \n          <br/><em>Input Population</em>: hob-incidence-ip\n        \n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n    \n      \n    \n\n    \n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Measure Observation</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: hob-incidence-denom-obs\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Number of inipatient days eligible for a hospital-onset event during the measurement period</p>\n        \n        \n          \n            \n              <em>Criteria</em>: HOB Incidence Denominator Observation\n            \n          \n          \n        \n        \n          <br/><em>Input Population</em>: hob-incidence-denom\n        \n        \n          <em>AggregateMethod</em>: <span title=\"Codes:{http://terminology.hl7.org/CodeSystem/measure-aggregate-method sum}\">Sum</span>\n        \n      </td>\n    </tr>\n  \n\n      \n        \n  \n    \n    \n    <tr>\n      \n        \n\n<th scope=\"row\" class=\"row-header\">Measure Observation</th>\n\n\n      \n      <td class=\"content-container\">\n        \n        <em>ID</em>: hob-incidence-numer-obs\n        <br/>\n        \n        \n          <em>Description</em>:\n          <p style=\"white-space: pre-line\" class=\"tab-one\">Number of HOB Events</p>\n        \n        \n          \n            \n              <em>Criteria</em>: HOB Incidence Numerator Observation\n            \n          \n          \n        \n        \n          <br/><em>Input Population</em>: hob-incidence-numer\n        \n        \n          <em>AggregateMethod</em>: <span title=\"Codes:{http://terminology.hl7.org/CodeSystem/measure-aggregate-method sum}\">Sum</span>\n        \n      </td>\n    </tr>\n  \n\n      \n    \n\n  \n\n\n  \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n<tr>\n\n\n<th colspan=\"2\" scope=\"row\" class=\"row-header\">Measure Logic</th>\n\n\n</tr>\n\n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Primary Library</th>\n\n\n\n<td class=\"content-container\"><a href=\"Library-HOB.html\">HOB Elements and Logic</a></td>\n\n\n</tr>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n<tr>\n  <th colspan=\"2\" scope=\"row\" class=\"row-header\">Generated using version 0.5.6-cibuild of the sample-content-ig Liquid templates</th>\n</tr>\n\n    </tbody>\n  </table>\n</div>"
  },
  "url" : "https://madie.cms.gov/Measure/HOBExample",
  "version" : "2026.1.0",
  "status" : "draft",
  "date" : "2026-07-30T20:17:17+00:00",
  "library" : [
    🔗 "https://madie.cms.gov/Library/HOB"
  ],
  "group" : [
    {
      "id" : "o-cob-prevalence-rate",
      "extension" : [
        {
          "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.linkId",
          "valueString" : "o-cob-prevalence-rate"
        },
        {
          "url" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-populationBasis",
          "valueCode" : "Encounter"
        },
        {
          "url" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-scoring",
          "valueCodeableConcept" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-scoring",
                "code" : "proportion",
                "display" : "Proportion"
              }
            ]
          }
        }
      ],
      "description" : "O-COB Prevalence Rate",
      "population" : [
        {
          "id" : "o-cob-ip",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "o-cob-ip"
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "initial-population",
                "display" : "Initial Population"
              }
            ]
          },
          "description" : "Outpatient (ED/OBS) encounters occurring within the measurement period",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "O-COB Prevalence Rate Initial Population"
          }
        },
        {
          "id" : "o-cob-denom",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "o-cob-denom"
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "denominator",
                "display" : "Denominator"
              }
            ]
          },
          "description" : "Outpatient (ED/OBS) encounters occurring within the measurement period",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "O-COB Prevalence Rate Denominator"
          }
        },
        {
          "id" : "o-cob-numer",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "o-cob-numer"
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "numerator",
                "display" : "Numerator"
              }
            ]
          },
          "description" : "Number of outpatient O-COB events occurring within the measurement period",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "Numerator"
          }
        }
      ]
    },
    {
      "id" : "cob-prevalence-rate",
      "extension" : [
        {
          "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.linkId",
          "valueString" : "cob-prevalence-rate"
        },
        {
          "url" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-populationBasis",
          "valueCode" : "Encounter"
        },
        {
          "url" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-scoring",
          "valueCodeableConcept" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-scoring",
                "code" : "proportion",
                "display" : "Proportion"
              }
            ]
          }
        }
      ],
      "description" : "COB Prevalence Rate",
      "population" : [
        {
          "id" : "cob-ip",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "cob-ip"
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "initial-population",
                "display" : "Initial Population"
              }
            ]
          },
          "description" : "Inpatient stays where at least one of the first three inpatient calendar days falls within the measurement period",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "COB Prevalence Rate Initial Population"
          }
        },
        {
          "id" : "cob-denom",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "cob-denom"
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "denominator",
                "display" : "Denominator"
              }
            ]
          },
          "description" : "Inpatient stays where at least one of the first three inpatient calendar days falls within the measurement period",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "COB Prevalence Rate Denominator"
          }
        },
        {
          "id" : "cob-numer",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "cob-numer"
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "numerator",
                "display" : "Numerator"
              }
            ]
          },
          "description" : "Inpatient COB events occurring within the measurement period",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "Numerator"
          }
        }
      ]
    },
    {
      "id" : "hob-crude-risk",
      "extension" : [
        {
          "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.linkId",
          "valueString" : "hob-crude-risk"
        },
        {
          "url" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-populationBasis",
          "valueCode" : "Encounter"
        },
        {
          "url" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-scoring",
          "valueCodeableConcept" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-scoring",
                "code" : "proportion",
                "display" : "Proportion"
              }
            ]
          }
        }
      ],
      "description" : "HOB Crude Risk",
      "population" : [
        {
          "id" : "hob-crude-ip",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "hob-crude-ip"
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "initial-population",
                "display" : "Initial Population"
              }
            ]
          },
          "description" : "Number of inpatient stays where there are any inpatient days eligible for a hospital-onset event during the measurement period",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "HOB Crude Risk Initial Population"
          }
        },
        {
          "id" : "hob-crude-denom",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "hob-crude-denom"
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "denominator",
                "display" : "Denominator"
              }
            ]
          },
          "description" : "Number of inpatient stays where there are any inpatient days eligible for a hospital-onset event during the measurement period",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "HOB Crude Risk Denominator"
          }
        },
        {
          "id" : "hob-crude-numer",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "hob-crude-numer"
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "numerator",
                "display" : "Numerator"
              }
            ]
          },
          "description" : "Number of inpatient stays with at least one HOB event occurring within the measurement period",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "Numerator"
          }
        }
      ]
    },
    {
      "id" : "hob-incidence",
      "extension" : [
        {
          "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.linkId",
          "valueString" : "hob-incidence"
        },
        {
          "url" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-populationBasis",
          "valueCode" : "Encounter"
        },
        {
          "url" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-scoring",
          "valueCodeableConcept" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-scoring",
                "code" : "ratio",
                "display" : "Ratio"
              }
            ]
          }
        },
        {
          "url" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-scoringUnit",
          "valueCodeableConcept" : {
            "coding" : [
              {
                "system" : "http://unitsofmeasure.org",
                "code" : "/100.d",
                "display" : "per 100 eligible patient days"
              }
            ]
          }
        }
      ],
      "description" : "HOB Incidence Density",
      "population" : [
        {
          "id" : "hob-incidence-ip",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "hob-incidence-ip"
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "initial-population",
                "display" : "Initial Population"
              }
            ]
          },
          "description" : "Inpatient stay with days eligible for a hospital-onset event during the measurement period",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "HOB Incidence Initial Population"
          }
        },
        {
          "id" : "hob-incidence-denom",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "hob-incidence-denom"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/cqf-criteriaReference",
              "valueString" : "hob-incidence-ip"
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "denominator",
                "display" : "Denominator"
              }
            ]
          },
          "description" : "Inpatient stay with days eligible for a hospital-onset event during the measurement period",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "Denominator"
          }
        },
        {
          "id" : "hob-incidence-denom-obs",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "hob-incidence-denom-obs"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/cqf-criteriaReference",
              "valueString" : "hob-incidence-denom"
            },
            {
              "url" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-aggregateMethod",
              "valueCodeableConcept" : {
                "coding" : [
                  {
                    "system" : "http://terminology.hl7.org/CodeSystem/measure-aggregate-method",
                    "code" : "sum",
                    "display" : "Sum"
                  }
                ]
              }
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "measure-observation",
                "display" : "Measure Observation"
              }
            ]
          },
          "description" : "Number of inipatient days eligible for a hospital-onset event during the measurement period",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "HOB Incidence Denominator Observation"
          }
        },
        {
          "id" : "hob-incidence-numer",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "hob-incidence-numer"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/cqf-criteriaReference",
              "valueString" : "hob-incidence-ip"
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "numerator",
                "display" : "Numerator"
              }
            ]
          },
          "description" : "HOB Event",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "HOB Incidence Numerator"
          }
        },
        {
          "id" : "hob-incidence-numer-obs",
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Measure.group.population.linkId",
              "valueString" : "hob-incidence-numer-obs"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/cqf-criteriaReference",
              "valueString" : "hob-incidence-numer"
            },
            {
              "url" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-aggregateMethod",
              "valueCodeableConcept" : {
                "coding" : [
                  {
                    "system" : "http://terminology.hl7.org/CodeSystem/measure-aggregate-method",
                    "code" : "sum",
                    "display" : "Sum"
                  }
                ]
              }
            }
          ],
          "code" : {
            "coding" : [
              {
                "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
                "code" : "measure-observation",
                "display" : "Measure Observation"
              }
            ]
          },
          "description" : "Number of HOB Events",
          "criteria" : {
            "language" : "text/cql-identifier",
            "expression" : "HOB Incidence Numerator Observation"
          }
        }
      ]
    }
  ]
}