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Packagesmart.who.int.cxca
Resource TypePlanDefinition
IdPlanDefinition-CXCAD2DTScreeningEligibility.json
FHIR VersionR4
Sourcehttps://build.fhir.org/ig/dhes/smart-dak-cxca/PlanDefinition-CXCAD2DTScreeningEligibility.html
URLhttp://smart.who.int/cxca/PlanDefinition/CXCAD2DTScreeningEligibility
Version0.0.1
Statusdraft
Date2026-05-14T00:50:23+00:00
NameCXCAD2DTScreeningEligibility
TitleCXCA.D2.DT — Cervical Cancer Screening Eligibility
DescriptionDecision support recommendation for cervical cancer screening eligibility (CXCA.D2). Evaluates the rules from Mongolia MOH Order A/641 (2020) section 2.2 via the CXCAD2DTScreeningEligibilityLogic CQL library; when the client is due, recommends instantiating the CXCAD2HPVScreeningServiceRequest ActivityDefinition.

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Narrative

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Id: CXCAD2DTScreeningEligibility
Url: CXCA.D2.DT — Cervical Cancer Screening Eligibility
Version: 0.0.1
Title: CXCA.D2.DT — Cervical Cancer Screening Eligibility
Status: draft
Type:

system: http://terminology.hl7.org/CodeSystem/plan-definition-type

code: eca-rule

Date: 2026-05-14 00:50:23+0000
Publisher: Dan Heslinga (independent contributor)
Description:

Decision support recommendation for cervical cancer screening eligibility (CXCA.D2). Evaluates the rules from Mongolia MOH Order A/641 (2020) section 2.2 via the CXCAD2DTScreeningEligibilityLogic CQL library; when the client is due, recommends instantiating the CXCAD2HPVScreeningServiceRequest ActivityDefinition.

Libraries:
CXCAD2DTScreeningEligibilityLogic
Actions:
Recommend HPV high-risk DNA screening (client is due): Client is at the binding target age (35 or 45 per A/641 section 2.2), has not had a hysterectomy, and has not been screened in the current cycle. Create a proposed ServiceRequest for HPV high-risk DNA testing.
If: Applicability: (Client is due for HPV screening (legal binding))
Then: Definition: CXCAD2 — HPV Screening Service Request
Defer screening — client already screened in current cycle: Client is at a binding target age but has had a recent valid HPV screening result. Per A/641 section 2.2 they are not due for re-screening at this encounter. Inform the client of their next due date.
If: Applicability: (Client not due — already screened in current cycle (legal binding))
Defer screening — client outside binding target age range: Client is not at a binding target age (35 or 45 per A/641 section 2.2 for HPV-test-capable facilities). Note: cytology-only facilities follow a different age cycle (30, 33, 36, ..., 60 every 3 years per A/641 section 2.2 cytology pathway) — see the separate cytology-pathway PlanDefinition (deferred to a future Phase 5 chunk).
If: Applicability: (Client excluded — outside target age range (legal binding))
Exclude from screening — prior hysterectomy: Client has had a hysterectomy. Per A/641 section 2.2, women who have had a hysterectomy for non-cervical-cancer indication and who have a documented negative post-operative vaginal-smear cytology are exempt from cervical cancer screening. Verify the indication and the post-operative cytology status before fully excluding.
If: Applicability: (Client excluded — prior hysterectomy (legal binding))

Source1

{
  "resourceType": "PlanDefinition",
  "id": "CXCAD2DTScreeningEligibility",
  "meta": {
    "profile": [
      "http://hl7.org/fhir/uv/cpg/StructureDefinition/cpg-recommendationdefinition"
    ]
  },
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "contained": [
    {
      "resourceType": "Library",
      "id": "effective-data-requirements",
      "extension": [
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "CXCAD2DTScreeningEligibilityLogic"
            },
            {
              "url": "name",
              "valueString": "Client age"
            },
            {
              "url": "statement",
              "valueString": "// =============================================================================\n// Helper definitions\n// =============================================================================\n\n/*\n * Client age in years at the encounter date.\n */\ndefine \"Client age\":\n  AgeInYearsAt(Today)"
            },
            {
              "url": "displaySequence",
              "valueInteger": 0
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "CXCAD2DTScreeningEligibilityLogic"
            },
            {
              "url": "name",
              "valueString": "Client is at binding target age (35 or 45)"
            },
            {
              "url": "statement",
              "valueString": "/*\n * The client is at one of the binding target ages per A/641 section 2.2\n * (HPV-test-capable facilities: ages 35 and 45 only).\n */\ndefine \"Client is at binding target age (35 or 45)\":\n  \"Client age\" = 35 or \"Client age\" = 45"
            },
            {
              "url": "displaySequence",
              "valueInteger": 1
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "CXCAElements"
            },
            {
              "url": "name",
              "valueString": "Hysterectomy Procedures"
            },
            {
              "url": "statement",
              "valueString": "// =============================================================================\n// Hysterectomy history\n// =============================================================================\n\n/*\n * @internal: All recorded hysterectomy procedures for this patient,\n *   filtered to status = completed.\n */\ndefine \"Hysterectomy Procedures\":\n  [Procedure] P\n    where P.status = 'completed'\n      and exists (P.code.coding C where C.code = 'DE45'\n                                     and C.system = 'http://smart.who.int/cxca/CodeSystem/CXCA.D')"
            },
            {
              "url": "displaySequence",
              "valueInteger": 2
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "CXCAElements"
            },
            {
              "url": "name",
              "valueString": "Has Had Hysterectomy"
            },
            {
              "url": "statement",
              "valueString": "/*\n * The patient has a documented completed hysterectomy.\n *\n * NOTE: A/641 section 2.2 only excludes hysterectomy for non-cervical-cancer indication\n * with a documented negative post-op vaginal-smear cytology. This define\n * captures only the hysterectomy fact; the indication and post-op cytology\n * checks live in higher-layer logic that combines this define with others.\n */\ndefine \"Has Had Hysterectomy\":\n  exists \"Hysterectomy Procedures\""
            },
            {
              "url": "displaySequence",
              "valueInteger": 3
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "CXCAD2DTScreeningEligibilityLogic"
            },
            {
              "url": "name",
              "valueString": "Client is due for HPV screening (legal binding)"
            },
            {
              "url": "statement",
              "valueString": "// =============================================================================\n// Legal-binding eligibility tree — A/641 section 2.2 (HPV at ages 35 and 45)\n// Bindingness: legal\n// =============================================================================\n\n/*\n * @output: CXCA.D#DE4 \"Due for HPV screening\"\n * @bindingness: legal\n * Client is due if at a binding target age, has not had a hysterectomy,\n * and has not been screened in the current cycle.\n */\ndefine \"Client is due for HPV screening (legal binding)\":\n  \"Client is at binding target age (35 or 45)\"\n    and not Elements.\"Has Had Hysterectomy\"\n    and not \"HasRecentHPVScreening\""
            },
            {
              "url": "displaySequence",
              "valueInteger": 4
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "CXCAD2DTScreeningEligibilityLogic"
            },
            {
              "url": "name",
              "valueString": "Client excluded — prior hysterectomy (legal binding)"
            },
            {
              "url": "statement",
              "valueString": "/*\n * @output: CXCA.D#DE7 \"Excluded — prior hysterectomy\"\n * @bindingness: legal\n * Client has had a hysterectomy for non-cervical-cancer indication and is\n * therefore exempt from cervical cancer screening per A/641 section 2.2.\n */\ndefine \"Client excluded — prior hysterectomy (legal binding)\":\n  Elements.\"Has Had Hysterectomy\""
            },
            {
              "url": "displaySequence",
              "valueInteger": 5
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "CXCAD2DTScreeningEligibilityLogic"
            },
            {
              "url": "name",
              "valueString": "Client excluded — outside target age range (legal binding)"
            },
            {
              "url": "statement",
              "valueString": "/*\n * @output: CXCA.D#DE6 \"Excluded — outside target age range\"\n * @bindingness: legal\n * Client is not at a binding target age (35 or 45 only for HPV-capable facilities).\n */\ndefine \"Client excluded — outside target age range (legal binding)\":\n  not \"Client is at binding target age (35 or 45)\"\n    and not Elements.\"Has Had Hysterectomy\""
            },
            {
              "url": "displaySequence",
              "valueInteger": 6
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "CXCAD2DTScreeningEligibilityLogic"
            },
            {
              "url": "name",
              "valueString": "Client not due — already screened in current cycle (legal binding)"
            },
            {
              "url": "statement",
              "valueString": "/*\n * @output: CXCA.D#DE5 \"Not due — already screened in current cycle\"\n * @bindingness: legal\n * Client is at a target age but has had a recent valid HPV screening result.\n */\ndefine \"Client not due — already screened in current cycle (legal binding)\":\n  \"Client is at binding target age (35 or 45)\"\n    and \"HasRecentHPVScreening\"\n    and not Elements.\"Has Had Hysterectomy\""
            },
            {
              "url": "displaySequence",
              "valueInteger": 7
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "FHIRHelpers"
            },
            {
              "url": "name",
              "valueString": "ToString"
            },
            {
              "url": "statement",
              "valueString": "define function ToString(value ProcedureStatus): value.value"
            },
            {
              "url": "displaySequence",
              "valueInteger": 8
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "FHIRHelpers"
            },
            {
              "url": "name",
              "valueString": "ToString"
            },
            {
              "url": "statement",
              "valueString": "define function ToString(value string): value.value"
            },
            {
              "url": "displaySequence",
              "valueInteger": 9
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "FHIRHelpers"
            },
            {
              "url": "name",
              "valueString": "ToString"
            },
            {
              "url": "statement",
              "valueString": "define function ToString(value uri): value.value"
            },
            {
              "url": "displaySequence",
              "valueInteger": 10
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        }
      ],
      "name": "EffectiveDataRequirements",
      "status": "active",
      "type": {
        "coding": [
          {
            "system": "http://terminology.hl7.org/CodeSystem/library-type",
            "code": "module-definition"
          }
        ]
      },
      "relatedArtifact": [
        {
          "type": "depends-on",
          "display": "FHIR model information",
          "resource": "http://fhir.org/guides/cqf/common/Library/FHIR-ModelInfo|4.0.1"
        },
        {
          "type": "depends-on",
          "display": "Library Elements",
          "resource": "http://smart.who.int/cxca/Library/CXCAElements"
        },
        {
          "type": "depends-on",
          "display": "Library FHIRHelpers",
          "resource": "http://fhir.org/guides/cqf/common/Library/FHIRHelpers|4.0.1"
        }
      ],
      "parameter": [
        {
          "name": "Today",
          "use": "in",
          "min": 0,
          "max": "1",
          "type": "date"
        },
        {
          "name": "HasRecentHPVScreening",
          "use": "in",
          "min": 0,
          "max": "1",
          "type": "boolean"
        },
        {
          "name": "Client is due for HPV screening (legal binding)",
          "use": "out",
          "min": 0,
          "max": "1",
          "type": "boolean"
        },
        {
          "name": "Client excluded — prior hysterectomy (legal binding)",
          "use": "out",
          "min": 0,
          "max": "1",
          "type": "boolean"
        },
        {
          "name": "Client excluded — outside target age range (legal binding)",
          "use": "out",
          "min": 0,
          "max": "1",
          "type": "boolean"
        },
        {
          "name": "Client not due — already screened in current cycle (legal binding)",
          "use": "out",
          "min": 0,
          "max": "1",
          "type": "boolean"
        }
      ],
      "dataRequirement": [
        {
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          "profile": [
            "http://hl7.org/fhir/StructureDefinition/Patient"
          ]
        },
        {
          "type": "Procedure",
          "profile": [
            "http://hl7.org/fhir/StructureDefinition/Procedure"
          ],
          "mustSupport": [
            "status",
            "code",
            "code.coding"
          ]
        },
        {
          "type": "Procedure",
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          ],
          "mustSupport": [
            "status",
            "code",
            "code.coding"
          ]
        }
      ]
    }
  ],
  "extension": [
    {
      "url": "http://smart.who.int/cxca/StructureDefinition/cxca-bindingness",
      "valueCoding": {
        "system": "http://smart.who.int/cxca/CodeSystem/CXCA.Bindingness",
        "code": "legal",
        "display": "Legal — binding regulatory instrument"
      }
    },
    {
      "url": "http://hl7.org/fhir/uv/crmi/StructureDefinition/crmi-effectiveDataRequirements",
      "valueCanonical": "#effective-data-requirements"
    }
  ],
  "url": "http://smart.who.int/cxca/PlanDefinition/CXCAD2DTScreeningEligibility",
  "version": "0.0.1",
  "name": "CXCAD2DTScreeningEligibility",
  "title": "CXCA.D2.DT — Cervical Cancer Screening Eligibility",
  "type": {
    "coding": [
      {
        "system": "http://terminology.hl7.org/CodeSystem/plan-definition-type",
        "code": "eca-rule"
      }
    ]
  },
  "status": "draft",
  "experimental": false,
  "date": "2026-05-14T00:50:23+00:00",
  "publisher": "Dan Heslinga (independent contributor)",
  "contact": [
    {
      "name": "Dan Heslinga (independent contributor)",
      "telecom": [
        {
          "system": "url",
          "value": "https://github.com/dhes"
        }
      ]
    }
  ],
  "description": "Decision support recommendation for cervical cancer screening eligibility (CXCA.D2). Evaluates the rules from Mongolia MOH Order A/641 (2020) section 2.2 via the CXCAD2DTScreeningEligibilityLogic CQL library; when the client is due, recommends instantiating the CXCAD2HPVScreeningServiceRequest ActivityDefinition.",
  "library": [
    "http://smart.who.int/cxca/Library/CXCAD2DTScreeningEligibilityLogic"
  ],
  "action": [
    {
      "title": "Recommend HPV high-risk DNA screening (client is due)",
      "description": "Client is at the binding target age (35 or 45 per A/641 section 2.2), has not had a hysterectomy, and has not been screened in the current cycle. Create a proposed ServiceRequest for HPV high-risk DNA testing.",
      "condition": [
        {
          "kind": "applicability",
          "expression": {
            "language": "text/cql-identifier",
            "expression": "Client is due for HPV screening (legal binding)"
          }
        }
      ],
      "definitionCanonical": "http://smart.who.int/cxca/ActivityDefinition/CXCAD2HPVScreeningServiceRequest"
    },
    {
      "title": "Defer screening — client already screened in current cycle",
      "description": "Client is at a binding target age but has had a recent valid HPV screening result. Per A/641 section 2.2 they are not due for re-screening at this encounter. Inform the client of their next due date.",
      "condition": [
        {
          "kind": "applicability",
          "expression": {
            "language": "text/cql-identifier",
            "expression": "Client not due — already screened in current cycle (legal binding)"
          }
        }
      ]
    },
    {
      "title": "Defer screening — client outside binding target age range",
      "description": "Client is not at a binding target age (35 or 45 per A/641 section 2.2 for HPV-test-capable facilities). Note: cytology-only facilities follow a different age cycle (30, 33, 36, ..., 60 every 3 years per A/641 section 2.2 cytology pathway) — see the separate cytology-pathway PlanDefinition (deferred to a future Phase 5 chunk).",
      "condition": [
        {
          "kind": "applicability",
          "expression": {
            "language": "text/cql-identifier",
            "expression": "Client excluded — outside target age range (legal binding)"
          }
        }
      ]
    },
    {
      "title": "Exclude from screening — prior hysterectomy",
      "description": "Client has had a hysterectomy. Per A/641 section 2.2, women who have had a hysterectomy for non-cervical-cancer indication and who have a documented negative post-operative vaginal-smear cytology are exempt from cervical cancer screening. Verify the indication and the post-operative cytology status before fully excluding.",
      "condition": [
        {
          "kind": "applicability",
          "expression": {
            "language": "text/cql-identifier",
            "expression": "Client excluded — prior hysterectomy (legal binding)"
          }
        }
      ]
    }
  ]
}