API end point: https://fhir.careevolution.com/Master.Adapter1.WebClient/api/fhir.
    
Maps the CareEvolution Allergy concept
| Name | Type | Modifiers , prefixes | Multiple values | Can be chained | Description | 
|---|---|---|---|---|---|
| _count | Special | eq | The maximum number of resources to return in a result page. | ||
| _elements | Special | eq | Used to request a specific set of elements be returned as part of a resource. | ||
| _id | Token | Yes | Resource id | ||
| _lastUpdated | Date | lt le gt ge | When the resource last changed | ||
| _source | Uri | :missing | Yes | Where the resource comes from | |
| _summary | Special | eq | Used to return only a portion of the resouces. Defaults to 'false', which returns the whole resource. | ||
| _total | Special | eq | Use the value 'estimate' to populate the result bundle's 'total' element with an estimate of the matching number of resources. | ||
| category | Token | :missing | Yes | food | medication | environment | other - Category of Substance | |
| criticality | Token | :missing | Yes | CRITL | CRITH | CRITU | |
| date | Date | :missing eq ne lt le gt ge sa eb ap | When recorded | ||
| encounter | Reference (Encounter) | :missing | Yes | Yes | See here | 
| manifestation | Token | :not :in :not-in :missing | Yes | Clinical symptoms/signs associated with the Event | |
| onset | Date | :missing eq ne lt le gt ge sa eb ap | Date(/time) when manifestations showed | ||
| patient | Reference (Patient) | :missing | Yes | Yes | The patient the AllergyIntolerance is about | 
| provenance-agent | Reference (Organization) | :missing | Yes | Yes | Search by provenance, specified by its author (aka originator) Organization | 
| recorder | Reference (Practitioner) | :missing | Yes | Yes | Who recorded the sensitivity | 
| status | Token | :missing | Yes | active | unconfirmed | confirmed | inactive | resolved | refuted | entered-in-error | |
| substance | Token | :not :in :not-in :missing | Yes | Substance, (or class) considered to be responsible for risk | |
| type | Token | :missing | Yes | allergy | intolerance - Underlying mechanism (if known) | 
Supports multiple sorts
| FHIR | CareEvolution | |
|---|---|---|
| category Bindings: valueset-allergy-intolerance-category | Type Domain: AllergyType | |
| criticality Bindings: valueset-allergy-intolerance-criticality | Severity Domain: AllergySeverity | |
| extension('http://careevolution.com/fhirextensions#allergyIntolerance-encounterID') | EncounterID | |
| extension('http://careevolution.com/fhirextensions#dataSource') | DataSource | |
| note | Comment | |
| onset | OnsetDate | |
| patient | PatientID | |
| reaction.description | Reactions.ReactionFreeText | |
| reaction.manifestation | Reactions.Term Domain: AllergyReaction | |
| Reactions.TermAlternateTerms Domain: AllergyReaction | ||
| Reactions.TermText | ||
| reaction.severity Bindings: valueset-reaction-event-severity | Reactions.Severity Domain: AllergyReactionSeverity | |
| recordedDate | ReportedDate | |
| recorder | VerifiedByCaregiverID | |
| status Bindings: valueset-allergy-intolerance-status | ClinicalStatus Domain: AllergyClinicalStatus | |
| substance | Substance Domain: AllergySubstance | |
| SubstanceAlternateTerms Domain: AllergySubstance | ||
| SubstanceText | ||
| type Bindings: valueset-allergy-intolerance-type | Sensitivity Domain: AllergySensitivity | 
| FHIR | CareEvolution | |
|---|---|---|
| category Bindings: valueset-allergy-intolerance-category | Type Domain: AllergyType | |
| criticality Bindings: valueset-allergy-intolerance-criticality | Severity Domain: AllergySeverity | |
| extension('http://careevolution.com/fhirextensions#allergyIntolerance-encounterID') | EncounterID | |
| extension('http://careevolution.com/fhirextensions#dataSource') | DataSource | |
| note | Comment | |
| onset | OnsetDate | |
| patient | PatientID | |
| reaction.description | Reactions.ReactionFreeText | |
| reaction.manifestation | Reactions.Term Domain: AllergyReaction | |
| Reactions.TermAlternateTerms Domain: AllergyReaction | ||
| Reactions.TermText | ||
| reaction.severity Bindings: valueset-reaction-event-severity | Reactions.Severity Domain: AllergyReactionSeverity | |
| recordedDate | ReportedDate | |
| recorder | VerifiedByCaregiverID | |
| status Bindings: valueset-allergy-intolerance-status | ClinicalStatus Domain: AllergyClinicalStatus | |
| substance | Substance Domain: AllergySubstance | |
| SubstanceAlternateTerms Domain: AllergySubstance | ||
| SubstanceText | ||
| type Bindings: valueset-allergy-intolerance-type | Sensitivity Domain: AllergySensitivity |