Aetna FHIR R4 Procedure

{
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "$id": "https://raw.githubusercontent.com/api-evangelist/aetna/refs/heads/main/json-schema/aetna-procedure.json",
 "title": "Aetna FHIR R4 Procedure",
 "description": "JSON Schema for the FHIR R4 Procedure resource as Aetna profiles it. Derived mechanically from the components.schemas of openapi/aetna-patient-access-api-openapi.yml, which is assembled from the Swagger 2.0 documents Aetna publishes at https://developerportal.aetna.com/managedcontent/yaml/. Not authored - every constraint here is Aetna's. $refs rewritten from #/components/schemas/ to #/$defs/.",
 "x-provenance": {
  "generated": "2026-08-30",
  "method": "derived",
  "source": "openapi/aetna-patient-access-api-openapi.yml"
 },
 "allOf": [
  {
   "$ref": "#/$defs/DomainResource"
  },
  {
   "type": "object",
   "required": [
    "status",
    "subject"
   ],
   "properties": {
    "partOf": {
     "description": "A larger event of which this particular procedure is a component or step.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Reference"
     }
    },
    "note": {
     "description": "Any other notes and comments about the procedure.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Annotation"
     }
    },
    "complication": {
     "description": "Any complications that occurred during the procedure, or in the immediate post-performance period. These are generally tracked separately from the notes, which will typically describe the procedure itself rather than any 'post procedure' issues.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/CodeableConcept"
     }
    },
    "code": {
     "description": "The specific procedure that is performed. Use text if the exact nature of the procedure cannot be coded (e.g. \"Laparoscopic Appendectomy\").",
     "$ref": "#/$defs/CodeableConcept"
    },
    "subject": {
     "description": "The person, animal or group on which the procedure was performed.",
     "$ref": "#/$defs/Reference"
    },
    "reasonReference": {
     "description": "The justification of why the procedure was performed.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Reference"
     }
    },
    "performedRange": {
     "description": "Estimated or actual date, date-time, period, or age when the procedure was performed. Allows a period to support complex procedures that span more than one date, and also allows for the length of the procedure to be captured.",
     "$ref": "#/$defs/Range"
    },
    "performedAge": {
     "description": "Estimated or actual date, date-time, period, or age when the procedure was performed. Allows a period to support complex procedures that span more than one date, and also allows for the length of the procedure to be captured.",
     "$ref": "#/$defs/Age"
    },
    "instantiatesUri": {
     "description": "The URL pointing to an externally maintained protocol, guideline, order set or other definition that is adhered to in whole or in part by this Procedure.",
     "type": "array",
     "items": {
      "pattern": "\\S*",
      "type": "string"
     }
    },
    "performedPeriod": {
     "description": "Estimated or actual date, date-time, period, or age when the procedure was performed. Allows a period to support complex procedures that span more than one date, and also allows for the length of the procedure to be captured.",
     "$ref": "#/$defs/Period"
    },
    "performedString": {
     "pattern": "[ \\r\\n\\t\\S]+",
     "description": "Estimated or actual date, date-time, period, or age when the procedure was performed. Allows a period to support complex procedures that span more than one date, and also allows for the length of the procedure to be captured.",
     "type": "string"
    },
    "followUp": {
     "description": "If the procedure required specific follow up - e.g. removal of sutures. The follow up may be represented as a simple note or could potentially be more complex, in which case the CarePlan resource can be used.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/CodeableConcept"
     }
    },
    "statusReason": {
     "description": "Captures the reason for the current state of the procedure.",
     "$ref": "#/$defs/CodeableConcept"
    },
    "usedCode": {
     "description": "Identifies coded items that were used as part of the procedure.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/CodeableConcept"
     }
    },
    "reasonCode": {
     "description": "The coded reason why the procedure was performed. This may be a coded entity of some type, or may simply be present as text.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/CodeableConcept"
     }
    },
    "performedDateTime": {
     "pattern": "([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1])(T([01][0-9]|2[0-3]):[0-5][0-9]:([0-5][0-9]|60)(\\.[0-9]+)?(Z|(\\+|-)((0[0-9]|1[0-3]):[0-5][0-9]|14:00)))?)?)?",
     "description": "Estimated or actual date, date-time, period, or age when the procedure was performed. Allows a period to support complex procedures that span more than one date, and also allows for the length of the procedure to be captured.",
     "type": "string"
    },
    "basedOn": {
     "description": "A reference to a resource that contains details of the request for this procedure.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Reference"
     }
    },
    "outcome": {
     "description": "The outcome of the procedure - did it resolve the reasons for the procedure being performed?",
     "$ref": "#/$defs/CodeableConcept"
    },
    "identifier": {
     "description": "Business identifiers assigned to this procedure by the performer or other systems which remain constant as the resource is updated and is propagated from server to server.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Identifier"
     }
    },
    "recorder": {
     "description": "Individual who recorded the record and takes responsibility for its content.",
     "$ref": "#/$defs/Reference"
    },
    "performer": {
     "description": "Limited to \"real\" people rather than equipment.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Procedure_Performer"
     }
    },
    "complicationDetail": {
     "description": "Any complications that occurred during the procedure, or in the immediate post-performance period.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Reference"
     }
    },
    "usedReference": {
     "description": "Identifies medications, devices and any other substance used as part of the procedure.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Reference"
     }
    },
    "focalDevice": {
     "description": "A device that is implanted, removed or otherwise manipulated (calibration, battery replacement, fitting a prosthesis, attaching a wound-vac, etc.) as a focal portion of the Procedure.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Procedure_FocalDevice"
     }
    },
    "encounter": {
     "description": "The Encounter during which this Procedure was created or performed or to which the creation of this record is tightly associated.",
     "$ref": "#/$defs/Reference"
    },
    "instantiatesCanonical": {
     "description": "The URL pointing to a FHIR-defined protocol, guideline, order set or other definition that is adhered to in whole or in part by this Procedure.",
     "type": "array",
     "items": {
      "pattern": "\\S*",
      "type": "string"
     }
    },
    "bodySite": {
     "description": "Detailed and structured anatomical location information. Multiple locations are allowed - e.g. multiple punch biopsies of a lesion.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/CodeableConcept"
     }
    },
    "asserter": {
     "description": "Individual who is making the procedure statement.",
     "$ref": "#/$defs/Reference"
    },
    "report": {
     "description": "This could be a histology result, pathology report, surgical report, etc.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Reference"
     }
    },
    "location": {
     "description": "The location where the procedure actually happened. E.g. a newborn at home, a tracheostomy at a restaurant.",
     "$ref": "#/$defs/Reference"
    },
    "category": {
     "description": "A code that classifies the procedure for searching, sorting and display purposes (e.g. \"Surgical Procedure\").",
     "$ref": "#/$defs/CodeableConcept"
    },
    "status": {
     "description": "A code specifying the state of the procedure. Generally, this will be the in-progress or completed state.",
     "type": "string",
     "enum": [
      "preparation",
      "in-progress",
      "not-done",
      "on-hold",
      "stopped",
      "completed",
      "entered-in-error",
      "unknown"
     ]
    }
   }
  }
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      },
      "valueSignature": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Signature"
      },
      "valueUri": {
       "pattern": "\\S*",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueDistance": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Distance"
      },
      "valueUrl": {
       "pattern": "\\S*",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueContactDetail": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/ContactDetail"
      },
      "valueMeta": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Meta"
      },
      "valueUuid": {
       "pattern": "urn:uuid:[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueCodeableConcept": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/CodeableConcept"
      },
      "valueRatio": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Ratio"
      },
      "valueMarkdown": {
       "pattern": "[ \\r\\n\\t\\S]+",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueAttachment": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Attachment"
      },
      "valueUsageContext": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/UsageContext"
      },
      "valueDateTime": {
       "pattern": "([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1])(T([01][0-9]|2[0-3]):[0-5][0-9]:([0-5][0-9]|60)(\\.[0-9]+)?(Z|(\\+|-)((0[0-9]|1[0-3]):[0-5][0-9]|14:00)))?)?)?",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueInteger": {
       "format": "int32",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "integer"
      },
      "valueUnsignedInt": {
       "format": "int32",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "integer"
      },
      "valueHumanName": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/HumanName"
      },
      "valueQuantity": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Quantity"
      },
      "valueRelatedArtifact": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/RelatedArtifact"
      },
      "valueCanonical": {
       "pattern": "\\S*",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueCount": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Count"
      },
      "valueId": {
       "pattern": "[A-Za-z0-9\\-\\.]{1,64}",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueDecimal": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "number"
      },
      "valueCode": {
       "pattern": "[^\\s]+(\\s[^\\s]+)*",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueDate": {
       "pattern": "([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1]))?)?",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueOid": {
       "pattern": "urn:oid:[0-2](\\.(0|[1-9][0-9]*))+",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "url": {
       "pattern": "\\S*",
       "description": "Source of the definition for the extension code - a logical name or a URL.",
       "type": "string"
      },
      "valueAddress": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Address"
      },
      "valueContactPoint": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/ContactPoint"
      },
      "valueString": {
       "pattern": "[ \\r\\n\\t\\S]+",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valuePeriod": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Period"
      },
      "valueSampledData": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/SampledData"
      },
      "valueTiming": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": 

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