Diet class
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<p><i>Deprecation Information: </i>This class was deprecated at the August 2009 Harmonization Meeting for future use in HL7 Design Models effective with RIM Release 2.28. In the future, Use either the Supply class (if dealing with what should be given to the patient) or SubstanceAdministration class (if dealing with what the patient should consume).</p>

<p><i>Definition: </i>A supply Act dealing specifically with the feeding or nourishment of a subject.</p>

<p><i>Examples: </i>Gluten free, low sodium.</p>

<p><i>Usage Notes:</i> The detail of the diet is given as a description of the Material associated via Participation.typeCode="product". Medically relevant diet types may be communicated in Diet.code, however, the detail of the food supplied and the various combinations of dishes should be communicated as Material instances.</p>

<p><i>Design Comment: </i>The introduction should stipulate how to document usage of or constraints on attributes from the generalization-e.g. Diet.code.</p>


energyQuantity:
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<p><i>Deprecation Information: </i>This attribute was deprecated along with its parent class at the August 2009 Harmonization Meeting. It is deprecated for future use in HL7 Design Models effective with RIM Release 2.28. In the future, this quantity can be conveyed by using a Content relationship with a quantity attribute expressing the "calories".</p>

<p><i>Definition: </i>The supplied biologic energy (calories) per day.</p>

<p><i>Formal Constraint: </i>This physical quantity SHOULD be convertible to 1 kcal/d (or 1 kJ/d). </p>


carbohydrateQuantity:
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<p><i>Deprecation Information: </i>This attribute was deprecated along with its parent class at the August 2009 Harmonization Meeting. It is deprecated for future use in HL7 Design Models effective with RIM Release 2.28. In the future, this quantity can be conveyed using a Content relationship to an Entity with a code of "carbohydrate" and a quantity attribute on the content relationship.</p>

<p><i>Definition: </i>The supplied amount of carbohydrates per day.</p>

<p><i>Usage Notes: </i>For a diabetes diet one typically restricts the amount of metabolized carbohydrates to a certain amount per day (e.g., 240 g/d).  This restriction can be communicated in the carbohydrateQuantity.</p>

