<?xml version="1.0" encoding="UTF-8"?>
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/*
  Copyright (c) 2011+, HL7, Inc.
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  Redistribution and use in source and binary forms, with or without modification, 
  are permitted provided that the following conditions are met:
  
   * Redistributions of source code must retain the above copyright notice, this 
     list of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above copyright notice, 
     this list of conditions and the following disclaimer in the documentation 
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     endorse or promote products derived from this software without specific 
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  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
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  Generated on Thu, Apr 9, 2026 17:12+0000 for FHIR v6.0.0-ballot4 

  Note: the schemas &amp; schematrons do not contain all of the rules about what makes resources
  valid. Implementers will still need to be familiar with the content of the specification and with
  any profiles that apply to the resources in order to make a conformant implementation.

-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://hl7.org/fhir" xmlns:xhtml="http://www.w3.org/1999/xhtml" targetNamespace="http://hl7.org/fhir" elementFormDefault="qualified" version="1.0">
  <xs:include schemaLocation="fhir-base.xsd"/>
  <xs:element name="RiskAssessment" type="RiskAssessment">
    <xs:annotation>
      <xs:documentation xml:lang="en">An assessment of the likely outcome(s) for a patient or other subject as well as the likelihood of each outcome.</xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name="RiskAssessment">
    <xs:annotation>
      <xs:documentation xml:lang="en">An assessment of the likely outcome(s) for a patient or other subject as well as the likelihood of each outcome.</xs:documentation>
      <xs:documentation xml:lang="en">If the element is present, it must have either a @value, an @id, or extensions</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="DomainResource">
        <xs:sequence>
          <xs:element name="identifier" minOccurs="0" maxOccurs="unbounded" type="Identifier">
            <xs:annotation>
              <xs:documentation xml:lang="en">Business identifier assigned to the risk assessment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="basedOn" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">A reference to the request that is fulfilled by this risk assessment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="parent" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">A reference to a resource that this risk assessment is part of, such as a Procedure.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="status" minOccurs="1" maxOccurs="1" type="ObservationStatus">
            <xs:annotation>
              <xs:documentation xml:lang="en">The status of the RiskAssessment, using the same statuses as an Observation.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="method" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">The algorithm, process or mechanism used to evaluate the risk.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="code" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">The type of the risk assessment performed.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="subject" minOccurs="1" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The patient or group the risk assessment applies to.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="encounter" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The encounter where the assessment was performed.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:choice minOccurs="0" maxOccurs="1" >
            <xs:annotation>
              <xs:documentation xml:lang="en">The date (and possibly time) the risk assessment was performed.</xs:documentation>
            </xs:annotation>
            <xs:element name="occurrenceDateTime" type="dateTime"/>
            <xs:element name="occurrencePeriod" type="Period"/>
          </xs:choice>
          <xs:element name="condition" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">For assessments or prognosis specific to a particular condition, indicates the condition being assessed.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="performer" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The provider, patient, related person, or software application that performed the assessment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="reason" minOccurs="0" maxOccurs="unbounded" type="CodeableReference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The reason the risk assessment was performed.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="basis" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates the source data considered as part of the assessment (for example, FamilyHistory, Observations, Procedures, Conditions, etc.).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="prediction" type="RiskAssessment.Prediction" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">Describes the expected outcome for the subject.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="mitigation" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">A description of the steps that might be taken to reduce the identified risk(s).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="note" minOccurs="0" maxOccurs="unbounded" type="Annotation">
            <xs:annotation>
              <xs:documentation xml:lang="en">Additional comments about the risk assessment.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="RiskAssessment.Prediction">
    <xs:annotation>
      <xs:documentation xml:lang="en">An assessment of the likely outcome(s) for a patient or other subject as well as the likelihood of each outcome.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="outcome" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">One of the potential outcomes for the patient (e.g. remission, death,  a particular condition).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:choice minOccurs="0" maxOccurs="1" >
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates how likely the outcome is (in the specified timeframe). Range SHOULD be expressed as a Quantity (with a unit of '%'), rather than as a decimal value to make sure the percentage semantics are clear.</xs:documentation>
            </xs:annotation>
            <xs:element name="probabilityDecimal" type="decimal"/>
            <xs:element name="probabilityQuantity" type="Quantity"/>
            <xs:element name="probabilityRange" type="Range"/>
          </xs:choice>
          <xs:element name="qualitativeRisk" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates how likely the outcome is (in the specified timeframe), expressed as a qualitative value (e.g. low, medium, or high).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="relativeRisk" minOccurs="0" maxOccurs="1" type="decimal">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates the risk for this particular subject (with their specific characteristics) divided by the risk of the population in general.  (Numbers greater than 1 = higher risk than the population, numbers less than 1 = lower risk.).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:choice minOccurs="0" maxOccurs="1" >
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates the period of time or age range of the subject to which the specified probability applies.</xs:documentation>
            </xs:annotation>
            <xs:element name="whenPeriod" type="Period"/>
            <xs:element name="whenRange" type="Range"/>
          </xs:choice>
          <xs:element name="rationale" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">Additional information explaining the basis for the prediction.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:schema>
