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FHIR IG Statistics: ConceptMap/segment-sch-to-appointment

Packagehl7.fhir.uv.v2mappings
TypeConceptMap
Idsegment-sch-to-appointment
FHIR VersionR4
Sourcehttp://hl7.org/fhir/uv/v2mappings/https://build.fhir.org/ig/HL7/v2-to-fhir/ConceptMap-segment-sch-to-appointment.html
URLhttp://hl7.org/fhir/uv/v2mappings/ConceptMap/segment-sch-to-appointment
Version1.0.0
Statusactive
Date2025-07-22
NameSegmentSCHToAppointment
TitleSegment SCH to Appointment Map
Realmuv
Authorityhl7
DescriptionThis ConceptMap represents a mapping from the HL7 V2 Segment SCH to the FHIR Appointment Resource.
CopyrightCopyright (c) 2025, HL7 International, Inc., All Rights Reserved.

Resources that use this resource

No resources found


Resources that this resource uses

No resources found


Narrative

Note: links and images are rebased to the (stated) source

Generated Narrative: ConceptMap segment-sch-to-appointment

Mapping from (not specified) to (not specified)


Group 1 Mapping from unspecified code system to unspecified code system

Source Concept DetailsRelationshipTarget Concept DetailsComment
Codes from NarrativeConditionComputableANTLRCodes from
SCH-1Placer Appointment IDis equivalent toidentifier[1]identifier[1]
SCH-2Filler Appointment IDis equivalent toidentifier[2]identifier[2]
SCH-7Appointment ReasonIF CWE.3 IS "HL70276"is equivalent toreasonCode[1]reasonCode[1]
SCH-7Appointment ReasonIF CWE.3 IS "HL70277"is equivalent toappointmentType[1]appointmentType[1]Note that in V2 this is Table HL70276, but there is a problem with that as it does not reflect SCH-7, rather SCH-8. We are working on correcting that in HL7 v2.
SCH-8Appointment TypeIF CWE.3 IS "HL70277"is equivalent toappointmentType[1]appointmentType[1]Note that in V2 this is Table HL70276, but there is a problem with that as it does not reflect SCH-7, rather SCH-8. We are working on correcting that in HL7 v2.
SCH-9Appointment DurationIf SCH-10 indicates units of minutesis equivalent tominutesDuration[1]minutesDuration[1]
SCH-11Appointment Timing Quantityis equivalent to$this$this
SCH-12Placer Contact Personis equivalent toparticipant[1].actor(Practitioner)participant[1].actor(Practitioner)
SCH-12Placer Contact Personis equivalent toparticipant[1].type.coding.codeparticipant[1].type.coding.code
SCH-12Placer Contact Personis equivalent toparticipant[1].type.coding.systemparticipant[1].type.coding.system
SCH-16Filler Contact Personis equivalent toparticipant[2].actor(Practitioner)participant[2].actor(Practitioner)
SCH-16Filler Contact Personis equivalent toparticipant[2].type.coding.codeparticipant[2].type.coding.code
SCH-16Filler Contact Personis equivalent toparticipant[2].type.coding.systemparticipant[2].type.coding.system
SCH-20Entered By Personis equivalent toparticipant[3].actor(Practitioner)participant[3].actor(Practitioner)
SCH-20Entered By Personis equivalent toparticipant[3].type[1].coding.codeparticipant[3].type[1].coding.code
SCH-20Entered By Personis equivalent toparticipant[3].type[1].coding.systemparticipant[3].type[1].coding.system
SCH-25Filler Status Codeis equivalent tostatusstatus
SCH-26Placer Order Numberis equivalent tobasedOn(ServiceRequest)basedOn(ServiceRequest)If valued, make sure that Appointment.basedOn is used to link to the ServiceRequest
SCH-27Filler Order Numberis equivalent tobasedOn(ServiceRequest)basedOn(ServiceRequest)If valued, make sure that Appointment.basedOn is used to link to the ServiceRequest

Source

{
  "resourceType": "ConceptMap",
  "id": "segment-sch-to-appointment",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "extension": [
        {
          "url": "type",
          "valueCode": "derived-from"
        },
        {
          "url": "label",
          "valueString": "Segment SCH to Appointment.fsh"
        },
        {
          "url": "url",
          "valueUri": "https://docs.google.com/spreadsheets/d/1S47XTStisnXo1osyf8tR8yDySkWM1tb4MFrHIU1Es48/edit#gid=0"
        }
      ],
      "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/RelatedArtifact"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "oo"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "informative",
      "_valueCode": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/v2mappings/ImplementationGuide/hl7.fhir.uv.v2mappings"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/fhir/uv/v2mappings/ConceptMap/segment-sch-to-appointment",
  "version": "1.0.0",
  "name": "SegmentSCHToAppointment",
  "title": "Segment SCH to Appointment Map",
  "status": "active",
  "experimental": true,
  "date": "2025-07-22",
  "publisher": "HL7 International / Orders and Observations",
  "contact": [
    {
      "name": "HL7 Orders and Observations Workgroup",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/orders"
        }
      ]
    }
  ],
  "description": "This ConceptMap represents a mapping from the HL7 V2 Segment SCH to the FHIR Appointment Resource.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001"
        }
      ]
    }
  ],
  "copyright": "Copyright (c) 2025, HL7 International, Inc., All Rights Reserved.",
  "group": [
    {
      "element": [
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EI"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-1",
          "display": "Placer Appointment ID",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Identifier"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "identifier[1]",
              "display": "identifier[1]",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EI"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-2",
          "display": "Filler Appointment ID",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Identifier"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "identifier[2]",
              "display": "identifier[2]",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-7",
          "display": "Appointment Reason",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    },
                    {
                      "url": "mappedVia",
                      "valueUrl": "ConceptMap/table-hl70276-to-sct"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "reasonCode[1]",
              "display": "reasonCode[1]",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF CWE.3 IS \"HL70276\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-7",
          "display": "Appointment Reason",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "mappedVia",
                      "valueUrl": "ConceptMap/table-hl70277-to-v2-0277"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "appointmentType[1]",
              "display": "appointmentType[1]",
              "equivalence": "equivalent",
              "comment": "Note that in V2 this is Table HL70276, but there is a problem with that as it does not reflect SCH-7, rather SCH-8.  We are working on correcting that in HL7 v2.",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF CWE.3 IS \"HL70277\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-8",
          "display": "Appointment Type",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "mappedVia",
                      "valueUrl": "ConceptMap/table-hl70277-to-v2-0277"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "appointmentType[1]",
              "display": "appointmentType[1]",
              "equivalence": "equivalent",
              "comment": "Note that in V2 this is Table HL70276, but there is a problem with that as it does not reflect SCH-7, rather SCH-8.  We are working on correcting that in HL7 v2.",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF CWE.3 IS \"HL70277\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "NM"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-9",
          "display": "Appointment Duration",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "positiveInt"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "minutesDuration[1]",
              "display": "minutesDuration[1]",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Narrative-Condition",
                  "value": "If SCH-10 indicates units of minutes"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "TQ"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-11",
          "display": "Appointment Timing Quantity",
          "target": [
            {
              "code": "$this",
              "display": "$this",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-12",
          "display": "Placer Contact Person",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Reference(Practitioner)"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "participant[1].actor(Practitioner)",
              "display": "participant[1].actor(Practitioner)",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-12",
          "display": "Placer Contact Person",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "assignment",
                      "valueString": "#placer contact#"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "participant[1].type.coding.code",
              "display": "participant[1].type.coding.code",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-12",
          "display": "Placer Contact Person",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "assignment",
                      "valueString": "\"http://terminology.hl7.org/CodeSystem/participant-type\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "participant[1].type.coding.system",
              "display": "participant[1].type.coding.system",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-16",
          "display": "Filler Contact Person",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Reference(Practitioner)"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "participant[2].actor(Practitioner)",
              "display": "participant[2].actor(Practitioner)",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-16",
          "display": "Filler Contact Person",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "assignment",
                      "valueString": "#filler contact#"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "participant[2].type.coding.code",
              "display": "participant[2].type.coding.code",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-16",
          "display": "Filler Contact Person",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "assignment",
                      "valueString": "\"http://terminology.hl7.org/CodeSystem/participant-type\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "participant[2].type.coding.system",
              "display": "participant[2].type.coding.system",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-20",
          "display": "Entered By Person",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Reference(Practitioner)"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "participant[3].actor(Practitioner)",
              "display": "participant[3].actor(Practitioner)",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-20",
          "display": "Entered By Person",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "assignment",
                      "valueString": "enterer"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "participant[3].type[1].coding.code",
              "display": "participant[3].type[1].coding.code",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-20",
          "display": "Entered By Person",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "assignment",
                      "valueString": "http://terminology.hl7.org/CodeSystem/provenance-participant-type"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "participant[3].type[1].coding.system",
              "display": "participant[3].type[1].coding.system",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-25",
          "display": "Filler Status Code",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "code"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 1
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "mappedVia",
                      "valueUrl": "ConceptMap/table-hl70278-to-appointmentstatus"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "status",
              "display": "status",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EI"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-26",
          "display": "Placer Order Number",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Reference(ServiceRequest)"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "basedOn(ServiceRequest)",
              "display": "basedOn(ServiceRequest)",
              "equivalence": "equivalent",
              "comment": "If valued, make sure that Appointment.basedOn is used to link to the ServiceRequest"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EI"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "SCH-27",
          "display": "Filler Order Number",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Reference(ServiceRequest)"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "basedOn(ServiceRequest)",
              "display": "basedOn(ServiceRequest)",
              "equivalence": "equivalent",
              "comment": "If valued, make sure that Appointment.basedOn is used to link to the ServiceRequest"
            }
          ]
        }
      ]
    }
  ]
}