| FHIR Specification Core | 
| 11179-de-administrative-status | Status of internal processing | CodeableConcept | DataElement | 
| 11179-de-change-description | What's changed since the last "business" version? | string | DataElement | 
| 11179-de-classification-or-context | context | classification | code | DataElement.useContext | 
| 11179-de-contact-address | How to mail contact | Address | DataElement.contact | 
| 11179-de-document-reference | Pointer to document related to data element | Reference | DataElement | 
| 11179-de-effective-period | When data element is "valid" | Period | DataElement | 
| 11179-de-is-data-element-concept | Is code the DEC for the data element? | boolean | DataElement.element.code | 
| 11179-de-registry-org | Organization responsible for registry | Reference | DataElement | 
| 11179-de-submitter-org | Who submitted data element to registry | Reference | DataElement | 
| 11179-objectClass | Object Class | Coding | ElementDefinition.mapping | 
| 11179-objectClassProperty | Object Class Property | Coding | ElementDefinition.mapping | 
| 11179-permitted-value-conceptmap | Mapping from permitted to transmitted | Reference | StructureDefinition.snapshot.element.binding.valueSetReference, StructureDefinition.differential.element.binding.valueSetReference,
 DataElement.element.binding.valueSetReference,
 Questionnaire.group.question.options
 | 
| 11179-permitted-value-valueset | Permitted values | Reference | StructureDefinition.snapshot.element.binding.valueSetReference, StructureDefinition.differential.element.binding.valueSetReference,
 DataElement.element.binding.valueSetReference,
 Questionnaire.group.question.options
 | 
| allergyintolerance-duration | How long Manifestations persisted | Quantity | AllergyIntolerance.reaction | 
| allergyintolerance-reasonRefuted | Explanation associated with refuted status | CodeableConcept | AllergyIntolerance | 
| allergyintolerance-resolutionAge | Age that the allergy or intolerance resolved | Quantity | AllergyIntolerance | 
| birthPlace | Place of Birth for patient | Address | Patient | 
| body-site-instance | Target anatomic location or structure | Reference | * | 
| careplan-activity-title | Label for activity | string | CarePlan.activity | 
| communication-media | Attached media | Attachment | Communication | 
| communication-reasonNotPerformed | Why the communication was not or could not be carried out | CodeableConcept | Communication | 
| communicationrequest-orderedBy | Agent that ordered the communication. | Reference | CommunicationRequest | 
| communicationrequest-reasonRejected | Why the recipient could not be act upon the request | CodeableConcept | CommunicationRequest | 
| composition-clindoc-otherConfidentiality | Additional confidentiality codes | Coding | Composition | 
| condition-criticality | Potential impact of the condition | CodeableConcept | Condition | 
| condition-dueTo | Causes for this Condition | (complex) | Condition | 
| condition-occurredFollowing | Precedent for this Condition | (complex) | Condition | 
| condition-outcome | A consequence of the Condition | CodeableConcept | Condition | 
| condition-targetBodySite | targetBodySite | Reference | Condition | 
| conformance-expectation | Conformance expectation | code | Conformance.rest.resource.interaction, Conformance.rest.resource.searchParam,
 Conformance.rest.operation,
 Conformance.messaging.event,
 Conformance.document,
 Conformance.rest.interaction
 | 
| conformance-prohibited | Functionality not allowed | boolean | Conformance.rest.resource.interaction, Conformance.rest.resource.searchParam,
 Conformance.rest.operation,
 Conformance.messaging.event,
 Conformance.document,
 Conformance.rest.interaction
 | 
| conformance-search-parameter-combination | An allowable parameter combination | (complex) | Conformance.rest.resource | 
| conformance-supported-system | Code system not defined in a value set | uri | Conformance | 
| data-absent-reason | Data Absent Reason | code | * | 
| datadictionary | Associates the structure definition with a collection of Data Elements | string | StructureDefinition | 
| deviceuserequest-reasonRejected | If request was rejected, why? | CodeableConcept | DeviceUseRequest | 
| diagnosticReport-locationPerformed | Location Performed | Reference | DiagnosticReport | 
| diagnosticorder-precondition | The condition or state of the patient for this test | CodeableConcept | DiagnosticOrder.item | 
| diagnosticorder-reason | Reason for this order | CodeableConcept | DiagnosticOrder | 
| diagnosticorder-reasonRejected | The reason the order was rejected | CodeableConcept | DiagnosticOrder | 
| elementdefinition-allowedUnits | Units to use for measured value | (Choice) | ElementDefinition | 
| elementdefinition-equivalence | equivalent | equal | wider | subsumes | narrower | specializes | inexact | unmatched | disjoint | code | ElementDefinition.mapping | 
| elementdefinition-identifier | External Identifier associated with this element | Identifier | ElementDefinition | 
| elementdefinition-maxValueSet | Maximum Value Set (when strength = extensible) | Reference | ElementDefinition.binding | 
| elementdefinition-minValueSet | Minimum Value Set (what system must support) | Reference | ElementDefinition.binding | 
| elementdefinition-question | Prompt for element phrased as question | string | ElementDefinition | 
| encounter-associatedEncounter | Associated Encounter | Reference |  | 
| encounter-primaryDiagnosis | Primary Diagnosis of this encounter (priority order - 1 = highest) | positiveInt | Encounter.reason, Encounter.indication,
 Encounter.hospitalization.admittingDiagnosis
 | 
| encounter-reasonCancelled | Explanation for cancellation | CodeableConcept | Encounter | 
| encounter-relatedCondition | Other associated conditions | Reference | Encounter | 
| entryFormat | User prompt for format | string | ElementDefinition, Questionnaire.group.question
 | 
| family-member-history-genetics-observation | Genetic markers, ethnicity, etc. | Reference | FamilyMemberHistory | 
| family-member-history-genetics-parent | Mother(s) & Father(s) - genetic & other | (complex) | FamilyMemberHistory | 
| familymemberhistory-abatement | When (or if) the family member's condition resolved | (Choice) | FamilyMemberHistory.condition | 
| familymemberhistory-patient-record | Link to patient record | Reference | FamilyMemberHistory | 
| familymemberhistory-severity | The seriousness of the family member condition | CodeableConcept | FamilyMemberHistory.condition | 
| flag-detail | Resource with details for flag | Reference | Flag | 
| flag-priority | An alarm code | CodeableConcept | Flag | 
| geneticsAlleleName | AlleleName | string | Observation | 
| geneticsAllelicFrequency | AllelicFrequency | decimal | Observation | 
| geneticsAllelicState | AllelicState | CodeableConcept | Observation | 
| geneticsAminoAcidChange | HGVSproteinChange | string | Observation | 
| geneticsAminoAcidChangeType | ProteinChangeType | CodeableConcept | Observation | 
| geneticsAssessedCondition | AssessedCondition | Reference | Observation | 
| geneticsCIGAR | CIGAR | string | Observation | 
| geneticsChromosome | Chr | CodeableConcept | Observation | 
| geneticsCopyNumberEvent | CopyNumberEvent | CodeableConcept | Observation | 
| geneticsDNARegionName | RegionName | string | Observation | 
| geneticsDNASequenceVariation | HGVSdnaVariant | string | Observation | 
| geneticsDNASequenceVariationType | DNAvariantType | CodeableConcept | Observation | 
| geneticsGene | Gene | CodeableConcept | Observation | 
| geneticsGenomeBuild | Genome Build | string | Observation | 
| geneticsGenomicSourceClass | GenomicSource | CodeableConcept | Observation | 
| geneticsGenomicStart | GenomicStart | integer | Observation | 
| geneticsGenomicStop | GenomicStop | integer | Observation | 
| geneticsObservedAllele | ObsAllele | string | Observation | 
| geneticsProteinReferenceSequenceId | ProteinReferenceSeq | CodeableConcept | Observation | 
| geneticsReadCoverage | ReadCoverage | integer | Observation | 
| geneticsReferenceAllele | RefAllele | string | Observation | 
| geneticsResult | Result | Reference | Observation | 
| geneticsSpecies | Species | CodeableConcept | Observation | 
| geneticsTranscriptReferenceSequenceId | TransReferenceSeqID | CodeableConcept | Observation | 
| geneticsVariationId | VariantId | CodeableConcept | Observation | 
| goal-acceptance | Individual acceptance of goal | (complex) | Goal | 
| goal-pertainsToGoal | Pertains to goal | Reference | Resource | 
| goal-reasonRejected | The reason the goal was not accepted | CodeableConcept | Goal | 
| goal-relationship | Goals related to this one | (complex) | Goal | 
| goal-target | Target for goal | (complex) | Goal | 
| http-response-header | HTTP header returned by the interaction | string | Bundle.entry.response | 
| imagingstudy-radiationDose | The amount of radiation, as a range | Range | ImagingStudy | 
| imagingstudy-radiationDuration | The length of time for radiation exposure | Quantity | ImagingStudy | 
| iso21090-AD-use | BAD | CONF | HP | HV | DIR | PUB | PHYS | PST | code | Address | 
| iso21090-ADXP-additionalLocator | additionalLocator | string | Address | 
| iso21090-ADXP-buildingNumberSuffix | buildingNumberSuffix | string | Address | 
| iso21090-ADXP-careOf | careOf | string | Address | 
| iso21090-ADXP-censusTract | censusTract | string | Address | 
| iso21090-ADXP-county | county | string | Address | 
| iso21090-ADXP-delimiter | delimiter | string | Address | 
| iso21090-ADXP-deliveryAddressLine | deliveryAddressLine | string | Address | 
| iso21090-ADXP-deliveryInstallationArea | deliveryInstallationArea | string | Address | 
| iso21090-ADXP-deliveryInstallationQualifier | deliveryInstallationQualifier | string | Address | 
| iso21090-ADXP-deliveryInstallationType | deliveryInstallationType | string | Address | 
| iso21090-ADXP-deliveryMode | deliveryMode | string | Address | 
| iso21090-ADXP-deliveryModeIdentifier | deliveryModeIdentifier | string | Address | 
| iso21090-ADXP-direction | direction | string | Address | 
| iso21090-ADXP-houseNumber | houseNumber | string | Address | 
| iso21090-ADXP-houseNumberNumeric | houseNumberNumeric | string | Address | 
| iso21090-ADXP-postBox | postBox | string | Address | 
| iso21090-ADXP-precinct | precinct | string | Address | 
| iso21090-ADXP-streetAddressLine | streetAddressLine | string | Address | 
| iso21090-ADXP-streetName | streetName | string | Address | 
| iso21090-ADXP-streetNameBase | streetNameBase | string | Address | 
| iso21090-ADXP-streetNameType | streetNameType | string | Address | 
| iso21090-ADXP-unitID | unitID | string | Address | 
| iso21090-ADXP-unitType | unitType | string | Address | 
| iso21090-CO-value | Numerical value associated with the code | decimal | Coding | 
| iso21090-EN-qualifier | LS | AC | NB | PR | HON | BR | AD | SP | MID | CL | IN | code | HumanName.family, HumanName.given,
 HumanName.prefix,
 HumanName.suffix
 | 
| iso21090-SC-coding | code for string | Coding | string | 
| iso21090-ST-language | language | code | string | 
| iso21090-ST-translation | translation | string | string | 
| iso21090-TEL-address | RFC 3966 compliant telephone of fax number | uri | ContactPoint | 
| iso21090-nullFlavor | NI | OTH | NINF | PINF | UNK | ASKU | NAV | NASK | TRC | MSK | NA | QS | code | Any | 
| iso21090-preferred | preferred | boolean | Any | 
| iso21090-uncertainty | Standard Deviation (same units as the quantity) | decimal | Quantity | 
| iso21090-uncertaintyType | Probability Distribution Type for uncertainty | code | Quantity | 
| iso21090-verification | verification | CodeableConcept | Any | 
| lipid-report-ldl-chol-calculated | LDL is Calculated | boolean | Observation | 
| location-alias | Alias | string | Location | 
| mapSourcePublisher | Who published the mapping source | string | DataElement.mapping | 
| markup | String equivalent with html markup | string | string | 
| maxDecimalPlaces | Maximum digits after decimal | integer | ElementDefinition, Questionnaire.group.question
 | 
| maxSize | Max size in MB | decimal | ElementDefinition, Questionnaire.group.question
 | 
| maxValue | Must be <= this value | (Choice) | Questionnaire.group.question | 
| medication-isActiveIngredient | Active ingredient indicator | boolean | Medication.product.ingredient | 
| medication-usualRoute | Typical application route | CodeableConcept | Medication.product | 
| medicationdispense-validityPeriod | Time interval for medication administration | Period | MedicationDispense | 
| mimeType | Type of attachment | code | ElementDefinition, Questionnaire.group.question
 | 
| minLength | At least this many characters | integer | ElementDefinition, Questionnaire.group.question
 | 
| minValue | Must be >= this value | (Choice) | Questionnaire.group.question | 
| observation-bodyPosition | The body position during the observation | CodeableConcept | Observation | 
| observation-delta | Qualitative change or trend in the measurement | CodeableConcept | Observation | 
| observation-focal-subject | Focal Subject | CodeableConcept | Observation | 
| operationoutcome-authority | Reference to where the rule is defined | uri | OperationOutcome.issue | 
| operationoutcome-detectedIssue | Reference to a contra-indication that is the basis for this error | Reference | OperationOutcome.issue | 
| operationoutcome-issue-source | Source of a validation message | string | OperationOutcome.issue | 
| organization-alias | Alias | string | Organization | 
| organization-period | Period | Period | Organization | 
| organization-preferredContact | Preferred Contact | boolean | Organization.contact | 
| patient-adoptionInfo | The adoption status of the patient | CodeableConcept | Patient | 
| patient-birthTime | Time of day of birth | dateTime | Patient.birthDate | 
| patient-cadavericDonor | Post-mortem donor status | boolean | Patient | 
| patient-citizenship | Nation(s) where the patient claims citizenship | (complex) | Patient | 
| patient-clinicalTrial | The patient's participation in clinical trials | (complex) | Patient | 
| patient-congregation | A group of place of religious practice | string | Patient | 
| patient-disability | Condition(s) limiting movement, senses, or activities | CodeableConcept | Patient | 
| patient-importance | Special status given the patient | CodeableConcept | Patient | 
| patient-interpreterRequired | Whether the patient needs an interpreter | boolean | Patient | 
| patient-mothersMaidenName | Mother's Maiden name | string | Patient | 
| patient-mpi-match | MPI assessment of patient match outcome | code | Bundle.entry.search | 
| patient-nationality | Nationality | (complex) | Patient | 
| pharmacy-core-doseType | The type of dose, e.g., loading. | CodeableConcept | MedicationOrder.dosageInstruction, MedicationDispense.dosageInstruction
 | 
| pharmacy-core-infuseOver | The length of the infusion | Quantity | MedicationOrder.dosageInstruction, MedicationDispense.dosageInstruction
 | 
| pharmacy-core-maxDeliveryRate | The maximum rate of substance administration | Ratio | MedicationOrder.dosageInstruction, MedicationDispense.dosageInstruction
 | 
| pharmacy-core-maxDeliveryVolume | The maximum amount of fluid to infuse | Quantity | MedicationOrder.dosageInstruction, MedicationDispense.dosageInstruction
 | 
| pharmacy-core-minDosePerPeriod | The minimum quantity of substance per period | Ratio | MedicationOrder.dosageInstruction, MedicationDispense.dosageInstruction
 | 
| pharmacy-core-rateGoal | The target rate for the infusion | Ratio | MedicationOrder.dosageInstruction, MedicationDispense.dosageInstruction
 | 
| pharmacy-core-rateIncrement | Change in dosing rate per interval | Ratio | MedicationOrder.dosageInstruction, MedicationDispense.dosageInstruction
 | 
| pharmacy-core-rateIncrementInterval | The period of time between rate increments | Quantity | MedicationOrder.dosageInstruction, MedicationDispense.dosageInstruction
 | 
| pharmacy-core-refillsRemaining | Number of refills allowed | integer | MedicationDispense, MedicationOrder.dispenseRequest
 | 
| practitioner-animalSpecies | The Species of the Service Animal | CodeableConcept | Practitioner, RelatedPerson
 | 
| practitioner-classification | Classification of the provider | CodeableConcept | Practitioner | 
| practitioner-primaryInd | Indicator of primary specialty | boolean | Practitioner.practitionerRole.specialty | 
| procedure-approachBodySite | The access point or points used for this procedure | Reference | Procedure | 
| procedure-causedBy | The related item - e.g. a procedure | Reference | Procedure | 
| procedure-incisionDateTime | The first incision time | dateTime | Procedure | 
| procedure-method | The method used to perform the procedure | CodeableConcept | Procedure | 
| procedure-progressStatus | A details procedure progress | CodeableConcept | Procedure | 
| procedure-targetBodySite | The target point for this procedure | Reference | Procedure | 
| procedurerequest-approachBodySite | The requested access point or points used for this procedure | Reference | ProcedureRequest | 
| procedurerequest-authorizedBy | Authorizer of the request | Reference | ProcedureRequest | 
| procedurerequest-reasonRefused | Reason for refusal | CodeableConcept | ProcedureRequest | 
| procedurerequest-targetBodySite | The requested target point for this procedure | Reference | ProcedureRequest | 
| questionnaire-allowedResource | Allowed resource for reference | code | Questionnaire.group.question | 
| questionnaire-category | What kind of questionnaire? | CodeableConcept | Questionnaire | 
| questionnaire-choiceOrientation | horizontal | vertical | code | Questionnaire.group.question | 
| questionnaire-deMap | Map linking questions to DataElements | Reference | Questionnaire.group.question | 
| questionnaire-deReference | Implemented CDE | Reference | Questionnaire.group.question | 
| questionnaire-defaultValue | Initial presumed answer for question | (Choice) | Questionnaire.group.question | 
| questionnaire-enableWhen | Only allow data when: | (complex) | Questionnaire.group, Questionnaire.group.group,
 Questionnaire.group.question
 | 
| questionnaire-help | Text to display if help incoked on group/question | string | @Questionnaire.group, @Questionnaire.group.question
 | 
| questionnaire-hidden | Don't display to user | boolean | Questionnaire.group, Questionnaire.group.group,
 Questionnaire.group.question
 | 
| questionnaire-highRangeLabel | Label for high end of slider | string | @Questionnaire.group.question | 
| questionnaire-instruction | How to populate group or question | string | @Questionnaire.group, @Questionnaire.group.question
 | 
| questionnaire-label | E.g. "1(a)", "2.5.3" | string | Questionnaire.group, Questionnaire.group.group,
 Questionnaire.group.question
 | 
| questionnaire-lowRangeLabel | Label for low end of slider | string | @Questionnaire.group.question | 
| questionnaire-maxLength | No more than this many characters | integer | @Questionnaire.group.question | 
| questionnaire-maxOccurs | Maximum repetitions | integer | Questionnaire.group, Questionnaire.group.group,
 Questionnaire.group.question
 | 
| questionnaire-minOccurs | Minimum repetitions | integer | Questionnaire.group, Questionnaire.group.group,
 Questionnaire.group.question
 | 
| questionnaire-questionControl | E.g. Checkbox, Combo-box, Lookup, etc. | CodeableConcept | Questionnaire.group.question | 
| questionnaire-readOnly | Don't allow human editing | boolean | Questionnaire.group.question | 
| questionnaire-security | Security/privacy rules governing group/question | string | @Questionnaire.group, @Questionnaire.group.question
 | 
| questionnaire-tooltip | Fly-over or equivalent text | string | @Questionnaire.group, @Questionnaire.group.question
 | 
| questionnaire-trailing | Text to display after group/question content | string | @Questionnaire.group, @Questionnaire.group.question
 | 
| questionnaire-units | Unit of measure for question | string | @Questionnaire.group.question | 
| questionnaireresponse-author | Who answered question/group | Reference | QuestionnaireResponse.group, QuestionnaireResponse.group.question,
 QuestionnaireResponse.group.question.answer
 | 
| questionnaireresponse-reviewer | Who verified completion of form? | Reference | QuestionnaireResponse | 
| referralrequest-reasonRefused | Reason referral was refused | CodeableConcept | ReferralRequest | 
| regex | Regular expression pattern | string | ElementDefinition, Questionnaire.group.question
 | 
| specimen-collectionPriority | Urgency for collection | CodeableConcept | Specimen.collection | 
| specimen-isDryWeight | Whether quantity is a dry weight | boolean | Specimen.collection.quantity | 
| specimen-sequenceNumber | The sequence number of the sample | integer | Specimen.container | 
| specimen-specialHandling | Special handling of the specimen | CodeableConcept | Specimen.collection | 
| specimen-treatmentTime | Time of treatment | (Choice) | Specimen.treatment | 
| structuredefinition-display-hint | Hinting information for the narrative generator | string | ElementDefinition | 
| structuredefinition-explicit-type-name | Advisory - name of Type for implementations | string | ElementDefinition | 
| structuredefinition-fmm | FMM Level | integer | StructureDefinition | 
| structuredefinition-fmm-no-warnings | FMM Level (if no warnings) | integer | StructureDefinition | 
| structuredefinition-json-type | Json type of value property | string | ElementDefinition.type.code | 
| structuredefinition-regex | Regex applies to the value | string | ElementDefinition.type | 
| structuredefinition-template-status | Template Status Code (more authoring statuses) | code | StructureDefinition | 
| structuredefinition-xml-type | XML (Schema) type of attribute | string | ElementDefinition.type.code | 
| style | Html style value | string | * | 
| styleSensitive | Are styles important for processing? | boolean | * | 
| us-core-concernStatus | The status of a Concern associated with a condition | CodeableConcept | Condition | 
| us-core-county | Name of county | string | Address | 
| us-core-direct | Email is a "direct" email | boolean | ContactPoint | 
| us-core-ethnicity | A category of human sharing heritage | CodeableConcept | Patient | 
| us-core-race | A category of humans sharing history, origin or nationality | CodeableConcept | Patient | 
| us-core-religion | Patient's professed religious affiliation | CodeableConcept | Patient | 
| valueset-author | User or Org actually involved in creating the value set content | string | ValueSet | 
| valueset-caseSensitive | If code is case sensitive | boolean | ValueSet.expansion.contains | 
| valueset-comment | Human-specified notes and other documentation | (complex) | ValueSet | 
| valueset-comments | Comment about the use of this code in this context | string | ValueSet.compose.include.concept, ValueSet.codeSystem.concept
 | 
| valueset-conceptOrder | Appearance order for user selection | integer | ValueSet.compose.include.concept, ValueSet.codeSystem.concept,
 ValueSet.expansion.contains
 | 
| valueset-definition | A definition for this code | string | ValueSet.compose.include.concept, ValueSet.expansion.contains
 | 
| valueset-deprecated | Whether the concept has been deprecated | boolean | ValueSet.codeSystem.concept, ValueSet.codeSystem.concept.concept
 | 
| valueset-effectiveDate | When the value set version becomes Active and is available for use | date | ValueSet | 
| valueset-expansionSource | ValueSet definition used to generate this expansion (logical URL) | uri | ValueSet.expansion | 
| valueset-expirationDate | When the value set version should no longer be used | date | ValueSet | 
| valueset-history | What has happened over time | (complex) | ValueSet | 
| valueset-keyWord | Descriptors and key terms for search | string | ValueSet | 
| valueset-label | E.g. "(a)", "1.", etc. | string | ValueSet.compose.include.concept, ValueSet.codeSystem.concept,
 ValueSet.expansion.contains
 | 
| valueset-map | A concept map relevant to interpret this value set | Reference | ValueSet | 
| valueset-oid | OID assigned to the value set or code system | uri | ValueSet, ValueSet.codeSystem
 | 
| valueset-ordinalValue | Comparison value for ordinal codes | decimal | ValueSet.compose.include.concept, ValueSet.codeSystem.concept,
 ValueSet.expansion.contains
 | 
| valueset-otherName | Alternative names | (complex) | ValueSet | 
| valueset-reference | Url of Value set the code was chosen from | uri | Coding | 
| valueset-replacedby | A code that replaces this | Coding | ValueSet.codeSystem.concept | 
| valueset-sourceReference | Where did this content come from | uri | ValueSet | 
| valueset-subsumes | Codes that this concept subsumes that have already been declared elsewhere | code | ValueSet.codeSystem.concept | 
| valueset-systemName | Code system name | string | ValueSet.compose.include | 
| valueset-systemRef | Where to find code system | uri | ValueSet.compose.include | 
| valueset-trusted-expansion | Reference to a trusted expansion | uri | ValueSet | 
| valueset-unclosed | The expansion is incomplete | boolean | ValueSet.expansion | 
| valueset-usage | Who has used and how? | (complex) | ValueSet | 
| valueset-warning | Extra warning about the correct use of the value set | markdown | ValueSet | 
| valueset-workflowStatus | Indicates the state of development of the value set | string | ValueSet |