<status value="draft" /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="Condition" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Condition" /> <derivation value="constraint" /> <differential> <element id="Condition.code.coding"> <path value="Condition.code.coding" /> <slicing> <discriminator> <type value="pattern" /> <path value="system" /> </discriminator> <rules value="open" /> </slicing> <min value="0" /> </element> <element id="Condition.code.coding:ICD9"> <path value="Condition.code.coding" /> <sliceName value="ICD9" /> <comment value="Coding is optional, if coding is sent there shall at least be one coding from the ICD-9-CM code system" /> <min value="1" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Condition.code.coding:ICD9.system"> <path value="Condition.code.coding.system" /> <min value="1" /> <fixedUri value="http://terminology.hl7.org/CodeSystem/icd9cm" /> <mustSupport value="true" /> </element> <element id="Condition.subject.reference"> <path value="Condition.subject.reference" /> <min value="1" /> <mustSupport value="true" /> </element> </differential> </StructureDefinition>