<?xml version="1.0" encoding="UTF-8"?>
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/*
  Copyright (c) 2011+, HL7, Inc.
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  are permitted provided that the following conditions are met:
  
   * Redistributions of source code must retain the above copyright notice, this 
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     endorse or promote products derived from this software without specific 
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  Generated on Sun, Jun 21, 2026 23:26+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="NutritionIntake" type="NutritionIntake">
    <xs:annotation>
      <xs:documentation xml:lang="en">A record of intake by a patient.  A NutritionIntake may indicate that the patient may be consuming the food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula now or has consumed it in the past.  The source of this information can be the patient, significant other (such as a family member or spouse), or a clinician.  A common scenario where this information is captured is during the history taking process during a patient visit or stay or through an app that tracks food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula consumed.   The consumption information may come from sources such as the patient's memory, from a nutrition label, or from a clinician documenting observed intake.</xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name="NutritionIntake">
    <xs:annotation>
      <xs:documentation xml:lang="en">A record of intake by a patient.  A NutritionIntake may indicate that the patient may be consuming the food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula now or has consumed it in the past.  The source of this information can be the patient, significant other (such as a family member or spouse), or a clinician.  A common scenario where this information is captured is during the history taking process during a patient visit or stay or through an app that tracks food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula consumed.   The consumption information may come from sources such as the patient's memory, from a nutrition label, or from a clinician documenting observed intake.</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">Identifiers associated with this Nutrition Intake that are defined by business processes and/or used to refer to it when a direct URL reference to the resource itself is not appropriate. They are business identifiers assigned to this resource by the performer or other systems and remain constant as the resource is updated and propagates from server to server.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="basedOn" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">A plan, proposal or order that is fulfilled in whole or in part by this event.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="partOf" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">A larger event of which this particular event is a component or step.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="status" minOccurs="1" maxOccurs="1" type="EventStatus">
            <xs:annotation>
              <xs:documentation xml:lang="en">A code representing the patient or other source's judgment about the state of the intake that this assertion is about.  Generally, this will be active or completed.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="statusReason" minOccurs="0" maxOccurs="unbounded" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">Captures the reason for the current state of the NutritionIntake.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="code" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">Overall type of nutrition intake.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="subject" minOccurs="1" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The person or group who is/was consuming the food (i.e. solid and/or liquid).</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 that establishes the context for this NutritionIntake.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:choice minOccurs="0" maxOccurs="1" >
            <xs:annotation>
              <xs:documentation xml:lang="en">The interval of time during which it is being asserted that the patient is/was consuming the food (i.e. solid and/or liquid).</xs:documentation>
            </xs:annotation>
            <xs:element name="occurrenceDateTime" type="dateTime"/>
            <xs:element name="occurrencePeriod" type="Period"/>
          </xs:choice>
          <xs:element name="recorded" minOccurs="0" maxOccurs="1" type="dateTime">
            <xs:annotation>
              <xs:documentation xml:lang="en">The date when the Nutrition Intake was asserted by the information source.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:choice minOccurs="0" maxOccurs="1" >
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates if this record was captured as a secondary 'reported' record rather than as an original primary source-of-truth.  It may also indicate the source that provided the information about the consumption.</xs:documentation>
            </xs:annotation>
            <xs:element name="reportedBoolean" type="boolean"/>
            <xs:element name="reportedReference" type="Reference"/>
          </xs:choice>
          <xs:element name="nutritionItem" type="NutritionIntake.NutritionItem" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">The nutrition product intended for consumption and/or administration.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="performer" type="NutritionIntake.Performer" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">Who or what performed the intake and how they were involved.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="location" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Where the intake occurred.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="derivedFrom" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Allows linking the NutritionIntake to the underlying NutritionOrder, or to other information, such as AllergyIntolerance, that supports or is used to derive the NutritionIntake.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="reason" minOccurs="0" maxOccurs="unbounded" type="CodeableReference">
            <xs:annotation>
              <xs:documentation xml:lang="en">A reason, Condition or observation for why the food (i.e. solid and/or liquid) is /was consumed.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="note" minOccurs="0" maxOccurs="unbounded" type="Annotation">
            <xs:annotation>
              <xs:documentation xml:lang="en">Provides extra information about the Nutrition Intake that is not conveyed by the other attributes.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="NutritionIntake.NutritionItem">
    <xs:annotation>
      <xs:documentation xml:lang="en">A record of intake by a patient.  A NutritionIntake may indicate that the patient may be consuming the food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula now or has consumed it in the past.  The source of this information can be the patient, significant other (such as a family member or spouse), or a clinician.  A common scenario where this information is captured is during the history taking process during a patient visit or stay or through an app that tracks food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula consumed.   The consumption information may come from sources such as the patient's memory, from a nutrition label, or from a clinician documenting observed intake.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="type" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates what a category of item that is intended to be consumed: e.g., food (i.e. solid and/or liquid), breastmilk, infant formula, supplements, enteral formula.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="nutritionProduct" minOccurs="0" maxOccurs="1" type="CodeableReference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Identifies the food (i.e. solid and/or liquid) product that is to be consumed. This is potentially a link to a resource representing the details of the food product or a simple attribute carrying a code that identifies the food from a known list of foods.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="consumedItem" type="NutritionIntake.ConsumedItem" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">What nutrition item was consumed.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="notConsumedItem" type="NutritionIntake.NotConsumedItem" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">What nutrition item was not consumed.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="NutritionIntake.ConsumedItem">
    <xs:annotation>
      <xs:documentation xml:lang="en">A record of intake by a patient.  A NutritionIntake may indicate that the patient may be consuming the food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula now or has consumed it in the past.  The source of this information can be the patient, significant other (such as a family member or spouse), or a clinician.  A common scenario where this information is captured is during the history taking process during a patient visit or stay or through an app that tracks food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula consumed.   The consumption information may come from sources such as the patient's memory, from a nutrition label, or from a clinician documenting observed intake.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="schedule" minOccurs="0" maxOccurs="1" type="Timing">
            <xs:annotation>
              <xs:documentation xml:lang="en">Scheduled frequency of consumption.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="amount" minOccurs="0" maxOccurs="1" type="Quantity">
            <xs:annotation>
              <xs:documentation xml:lang="en">Quantity of the specified food (i.e. solid and/or liquid).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:choice minOccurs="0" maxOccurs="1" >
            <xs:annotation>
              <xs:documentation xml:lang="en">Rate of enteral feeding administration.</xs:documentation>
            </xs:annotation>
            <xs:element name="rateQuantity" type="Quantity"/>
            <xs:element name="rateRatio" type="Ratio"/>
          </xs:choice>
          <xs:element name="totalIntake" type="NutritionIntake.TotalIntake" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">Nutrients and/or energy contained in the intake.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="NutritionIntake.TotalIntake">
    <xs:annotation>
      <xs:documentation xml:lang="en">A record of intake by a patient.  A NutritionIntake may indicate that the patient may be consuming the food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula now or has consumed it in the past.  The source of this information can be the patient, significant other (such as a family member or spouse), or a clinician.  A common scenario where this information is captured is during the history taking process during a patient visit or stay or through an app that tracks food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula consumed.   The consumption information may come from sources such as the patient's memory, from a nutrition label, or from a clinician documenting observed intake.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="nutrient" minOccurs="1" maxOccurs="1" type="CodeableReference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Type of nutrient consumed. This could be a macronutrient (protein, fat, carbohydrate), or a vitamin and mineral.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="amount" minOccurs="1" maxOccurs="1" type="Quantity">
            <xs:annotation>
              <xs:documentation xml:lang="en">Total amount of nutrient consumed.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="energy" minOccurs="0" maxOccurs="1" type="Quantity">
            <xs:annotation>
              <xs:documentation xml:lang="en">Total energy consumed in kilocalories or kilojoules.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="NutritionIntake.NotConsumedItem">
    <xs:annotation>
      <xs:documentation xml:lang="en">A record of intake by a patient.  A NutritionIntake may indicate that the patient may be consuming the food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula now or has consumed it in the past.  The source of this information can be the patient, significant other (such as a family member or spouse), or a clinician.  A common scenario where this information is captured is during the history taking process during a patient visit or stay or through an app that tracks food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula consumed.   The consumption information may come from sources such as the patient's memory, from a nutrition label, or from a clinician documenting observed intake.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="reason" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">Document the reason the nutrition item was not consumed, such as refused, held, etc.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="schedule" minOccurs="0" maxOccurs="1" type="Timing">
            <xs:annotation>
              <xs:documentation xml:lang="en">The intended frequency of consumption that was not followed.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="amount" minOccurs="0" maxOccurs="1" type="Quantity">
            <xs:annotation>
              <xs:documentation xml:lang="en">Quantity of the specified food (i.e. solid and/or liquid) that was not consumed.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="NutritionIntake.Performer">
    <xs:annotation>
      <xs:documentation xml:lang="en">A record of intake by a patient.  A NutritionIntake may indicate that the patient may be consuming the food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula now or has consumed it in the past.  The source of this information can be the patient, significant other (such as a family member or spouse), or a clinician.  A common scenario where this information is captured is during the history taking process during a patient visit or stay or through an app that tracks food (i.e., solid and/or liquid), breastmilk, infant formula, supplements, enteral formula consumed.   The consumption information may come from sources such as the patient's memory, from a nutrition label, or from a clinician documenting observed intake.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="function" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">Type of performance.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="actor" minOccurs="1" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Who or what performed the intake.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:schema>
