This page is part of the Da Vinci Coverage Requirements Discovery (CRD) FHIR IG (v2.0.1: STU 2.0) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions
Official URL: http://hl7.org/fhir/us/davinci-crd/StructureDefinition/profile-organization | Version: 2.0.1 | |||
Standards status: Trial-use | Maturity Level: 2 | Computable Name: Organization |
This profile specifies additional constraints on the US Core Organization profile to support coverage requirements discovery.
Information provided in Must Support elements will commonly be required for CRD Servers to perform coverage requirements discovery.
Usage:
Description of Profiles, Differentials, Snapshots and how the different presentations work.
This structure is derived from USCoreOrganizationProfile
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Organization | USCoreOrganizationProfile | |||
identifier | 0..* | Identifier | Identifies this organization across multiple systems | |
partOf | S | 0..1 | Reference(CRD Organization) | The organization of which this organization forms a part |
Documentation for this format |
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Organization | C | 0..* | USCoreOrganizationProfile | A grouping of people or organizations with a common purpose |
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created |
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored |
Slices for identifier | SΣC | 0..* | Identifier | Identifies this organization across multiple systems Slice: Unordered, Open by pattern:$this |
identifier:NPI | SΣC | 0..1 | Identifier | National Provider Identifier (NPI) Required Pattern: At least the following |
system | 1..1 | uri | The namespace for the identifier value Fixed Value: http://hl7.org/fhir/sid/us-npi | |
identifier:CLIA | ΣC | 0..1 | Identifier | Clinical Laboratory Improvement Amendments (CLIA) Number for laboratories Required Pattern: At least the following |
system | 1..1 | uri | The namespace for the identifier value Fixed Value: urn:oid:2.16.840.1.113883.4.7 | |
active | ?!SΣ | 1..1 | boolean | Whether the organization's record is still in active use |
name | SΣC | 1..1 | string | Name used for the organization |
telecom | SC | 0..* | ContactPoint | A contact detail for the organization |
address | SC | 0..* | Address | An address for the organization |
use | ?!Σ | 0..1 | code | home | work | temp | old | billing - purpose of this address Binding: AddressUse (required): The use of an address. Example General: home |
line | SΣ | 0..4 | string | Street name, number, direction & P.O. Box etc. This repeating element order: The order in which lines should appear in an address label Example General: 137 Nowhere Street |
city | SΣ | 0..1 | string | Name of city, town etc. Example General: Erewhon |
state | SΣ | 0..1 | string | Sub-unit of country (abbreviations ok) Binding: USPS Two Letter Alphabetic Codes (extensible): Two letter USPS alphabetic codes. |
postalCode | SΣ | 0..1 | string | US Zip Codes Example General: 9132 |
country | SΣ | 0..1 | string | Country (e.g. can be ISO 3166 2 or 3 letter code) |
partOf | SΣ | 0..1 | Reference(CRD Organization) | The organization of which this organization forms a part |
Documentation for this format |
Path | Conformance | ValueSet |
Organization.address.use | required | AddressUse |
Organization.address.state | extensible | UspsTwoLetterAlphabeticCodes |
Id | Grade | Path(s) | Details | Requirements |
dom-2 | error | Organization | If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty() | |
dom-3 | error | Organization | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty() | |
dom-4 | error | Organization | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty() | |
dom-5 | error | Organization | If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty() | |
dom-6 | best practice | Organization | A resource should have narrative for robust management : text.`div`.exists() | |
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
org-1 | error | Organization | The organization SHALL at least have a name or an identifier, and possibly more than one : (identifier.count() + name.count()) > 0 | |
org-2 | error | Organization.address | An address of an organization can never be of use 'home' : where(use = 'home').empty() | |
org-3 | error | Organization.telecom | The telecom of an organization can never be of use 'home' : where(use = 'home').empty() |
Name | Flags | Card. | Type | Description & Constraints | ||||
---|---|---|---|---|---|---|---|---|
Organization | C | 0..* | USCoreOrganizationProfile | A grouping of people or organizations with a common purpose | ||||
id | Σ | 0..1 | id | Logical id of this artifact | ||||
meta | Σ | 0..1 | Meta | Metadata about the resource | ||||
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created | ||||
language | 0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language.
| |||||
text | 0..1 | Narrative | Text summary of the resource, for human interpretation | |||||
contained | 0..* | Resource | Contained, inline Resources | |||||
extension | 0..* | Extension | Additional content defined by implementations | |||||
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | ||||
Slices for identifier | SΣC | 0..* | Identifier | Identifies this organization across multiple systems Slice: Unordered, Open by pattern:$this | ||||
identifier:NPI | SΣC | 0..1 | Identifier | National Provider Identifier (NPI) Required Pattern: At least the following | ||||
id | 0..1 | string | Unique id for inter-element referencing | |||||
extension | 0..* | Extension | Additional content defined by implementations | |||||
use | 0..1 | code | usual | official | temp | secondary | old (If known) | |||||
type | 0..1 | CodeableConcept | Description of identifier | |||||
system | 1..1 | uri | The namespace for the identifier value Fixed Value: http://hl7.org/fhir/sid/us-npi | |||||
value | 0..1 | string | The value that is unique | |||||
period | 0..1 | Period | Time period when id is/was valid for use | |||||
assigner | 0..1 | Reference(Organization) | Organization that issued id (may be just text) | |||||
identifier:CLIA | ΣC | 0..1 | Identifier | Clinical Laboratory Improvement Amendments (CLIA) Number for laboratories Required Pattern: At least the following | ||||
id | 0..1 | string | Unique id for inter-element referencing | |||||
extension | 0..* | Extension | Additional content defined by implementations | |||||
use | 0..1 | code | usual | official | temp | secondary | old (If known) | |||||
type | 0..1 | CodeableConcept | Description of identifier | |||||
system | 1..1 | uri | The namespace for the identifier value Fixed Value: urn:oid:2.16.840.1.113883.4.7 | |||||
value | 0..1 | string | The value that is unique | |||||
period | 0..1 | Period | Time period when id is/was valid for use | |||||
assigner | 0..1 | Reference(Organization) | Organization that issued id (may be just text) | |||||
active | ?!SΣ | 1..1 | boolean | Whether the organization's record is still in active use | ||||
type | Σ | 0..* | CodeableConcept | Kind of organization Binding: OrganizationType (example): Used to categorize the organization. | ||||
name | SΣC | 1..1 | string | Name used for the organization | ||||
alias | 0..* | string | A list of alternate names that the organization is known as, or was known as in the past | |||||
telecom | SC | 0..* | ContactPoint | A contact detail for the organization | ||||
address | SC | 0..* | Address | An address for the organization | ||||
id | 0..1 | string | Unique id for inter-element referencing | |||||
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
use | ?!Σ | 0..1 | code | home | work | temp | old | billing - purpose of this address Binding: AddressUse (required): The use of an address. Example General: home | ||||
type | Σ | 0..1 | code | postal | physical | both Binding: AddressType (required): The type of an address (physical / postal). Example General: both | ||||
text | Σ | 0..1 | string | Text representation of the address Example General: 137 Nowhere Street, Erewhon 9132 | ||||
line | SΣ | 0..4 | string | Street name, number, direction & P.O. Box etc. This repeating element order: The order in which lines should appear in an address label Example General: 137 Nowhere Street | ||||
city | SΣ | 0..1 | string | Name of city, town etc. Example General: Erewhon | ||||
district | Σ | 0..1 | string | District name (aka county) Example General: Madison | ||||
state | SΣ | 0..1 | string | Sub-unit of country (abbreviations ok) Binding: USPS Two Letter Alphabetic Codes (extensible): Two letter USPS alphabetic codes. | ||||
postalCode | SΣ | 0..1 | string | US Zip Codes Example General: 9132 | ||||
country | SΣ | 0..1 | string | Country (e.g. can be ISO 3166 2 or 3 letter code) | ||||
period | Σ | 0..1 | Period | Time period when address was/is in use Example General: {"start":"2010-03-23","end":"2010-07-01"} | ||||
partOf | SΣ | 0..1 | Reference(CRD Organization) | The organization of which this organization forms a part | ||||
contact | 0..* | BackboneElement | Contact for the organization for a certain purpose | |||||
id | 0..1 | string | Unique id for inter-element referencing | |||||
extension | 0..* | Extension | Additional content defined by implementations | |||||
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ||||
purpose | 0..1 | CodeableConcept | The type of contact Binding: ContactEntityType (extensible): The purpose for which you would contact a contact party. | |||||
name | 0..1 | HumanName | A name associated with the contact | |||||
telecom | 0..* | ContactPoint | Contact details (telephone, email, etc.) for a contact | |||||
address | 0..1 | Address | Visiting or postal addresses for the contact | |||||
endpoint | 0..* | Reference(Endpoint) | Technical endpoints providing access to services operated for the organization | |||||
Documentation for this format |
Path | Conformance | ValueSet | ||||
Organization.language | preferred | CommonLanguages
| ||||
Organization.type | example | OrganizationType | ||||
Organization.address.use | required | AddressUse | ||||
Organization.address.type | required | AddressType | ||||
Organization.address.state | extensible | UspsTwoLetterAlphabeticCodes | ||||
Organization.contact.purpose | extensible | ContactEntityType |
Id | Grade | Path(s) | Details | Requirements |
dom-2 | error | Organization | If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty() | |
dom-3 | error | Organization | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty() | |
dom-4 | error | Organization | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty() | |
dom-5 | error | Organization | If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty() | |
dom-6 | best practice | Organization | A resource should have narrative for robust management : text.`div`.exists() | |
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
org-1 | error | Organization | The organization SHALL at least have a name or an identifier, and possibly more than one : (identifier.count() + name.count()) > 0 | |
org-2 | error | Organization.address | An address of an organization can never be of use 'home' : where(use = 'home').empty() | |
org-3 | error | Organization.telecom | The telecom of an organization can never be of use 'home' : where(use = 'home').empty() |
This structure is derived from USCoreOrganizationProfile
Summary
Must-Support: 1 element
Structures
This structure refers to these other structures:
Maturity: 2
Differential View
This structure is derived from USCoreOrganizationProfile
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Organization | USCoreOrganizationProfile | |||
identifier | 0..* | Identifier | Identifies this organization across multiple systems | |
partOf | S | 0..1 | Reference(CRD Organization) | The organization of which this organization forms a part |
Documentation for this format |
Key Elements View
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Organization | C | 0..* | USCoreOrganizationProfile | A grouping of people or organizations with a common purpose |
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created |
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored |
Slices for identifier | SΣC | 0..* | Identifier | Identifies this organization across multiple systems Slice: Unordered, Open by pattern:$this |
identifier:NPI | SΣC | 0..1 | Identifier | National Provider Identifier (NPI) Required Pattern: At least the following |
system | 1..1 | uri | The namespace for the identifier value Fixed Value: http://hl7.org/fhir/sid/us-npi | |
identifier:CLIA | ΣC | 0..1 | Identifier | Clinical Laboratory Improvement Amendments (CLIA) Number for laboratories Required Pattern: At least the following |
system | 1..1 | uri | The namespace for the identifier value Fixed Value: urn:oid:2.16.840.1.113883.4.7 | |
active | ?!SΣ | 1..1 | boolean | Whether the organization's record is still in active use |
name | SΣC | 1..1 | string | Name used for the organization |
telecom | SC | 0..* | ContactPoint | A contact detail for the organization |
address | SC | 0..* | Address | An address for the organization |
use | ?!Σ | 0..1 | code | home | work | temp | old | billing - purpose of this address Binding: AddressUse (required): The use of an address. Example General: home |
line | SΣ | 0..4 | string | Street name, number, direction & P.O. Box etc. This repeating element order: The order in which lines should appear in an address label Example General: 137 Nowhere Street |
city | SΣ | 0..1 | string | Name of city, town etc. Example General: Erewhon |
state | SΣ | 0..1 | string | Sub-unit of country (abbreviations ok) Binding: USPS Two Letter Alphabetic Codes (extensible): Two letter USPS alphabetic codes. |
postalCode | SΣ | 0..1 | string | US Zip Codes Example General: 9132 |
country | SΣ | 0..1 | string | Country (e.g. can be ISO 3166 2 or 3 letter code) |
partOf | SΣ | 0..1 | Reference(CRD Organization) | The organization of which this organization forms a part |
Documentation for this format |
Path | Conformance | ValueSet |
Organization.address.use | required | AddressUse |
Organization.address.state | extensible | UspsTwoLetterAlphabeticCodes |
Id | Grade | Path(s) | Details | Requirements |
dom-2 | error | Organization | If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty() | |
dom-3 | error | Organization | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty() | |
dom-4 | error | Organization | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty() | |
dom-5 | error | Organization | If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty() | |
dom-6 | best practice | Organization | A resource should have narrative for robust management : text.`div`.exists() | |
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
org-1 | error | Organization | The organization SHALL at least have a name or an identifier, and possibly more than one : (identifier.count() + name.count()) > 0 | |
org-2 | error | Organization.address | An address of an organization can never be of use 'home' : where(use = 'home').empty() | |
org-3 | error | Organization.telecom | The telecom of an organization can never be of use 'home' : where(use = 'home').empty() |
Snapshot View
Name | Flags | Card. | Type | Description & Constraints | ||||
---|---|---|---|---|---|---|---|---|
Organization | C | 0..* | USCoreOrganizationProfile | A grouping of people or organizations with a common purpose | ||||
id | Σ | 0..1 | id | Logical id of this artifact | ||||
meta | Σ | 0..1 | Meta | Metadata about the resource | ||||
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created | ||||
language | 0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language.
| |||||
text | 0..1 | Narrative | Text summary of the resource, for human interpretation | |||||
contained | 0..* | Resource | Contained, inline Resources | |||||
extension | 0..* | Extension | Additional content defined by implementations | |||||
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | ||||
Slices for identifier | SΣC | 0..* | Identifier | Identifies this organization across multiple systems Slice: Unordered, Open by pattern:$this | ||||
identifier:NPI | SΣC | 0..1 | Identifier | National Provider Identifier (NPI) Required Pattern: At least the following | ||||
id | 0..1 | string | Unique id for inter-element referencing | |||||
extension | 0..* | Extension | Additional content defined by implementations | |||||
use | 0..1 | code | usual | official | temp | secondary | old (If known) | |||||
type | 0..1 | CodeableConcept | Description of identifier | |||||
system | 1..1 | uri | The namespace for the identifier value Fixed Value: http://hl7.org/fhir/sid/us-npi | |||||
value | 0..1 | string | The value that is unique | |||||
period | 0..1 | Period | Time period when id is/was valid for use | |||||
assigner | 0..1 | Reference(Organization) | Organization that issued id (may be just text) | |||||
identifier:CLIA | ΣC | 0..1 | Identifier | Clinical Laboratory Improvement Amendments (CLIA) Number for laboratories Required Pattern: At least the following | ||||
id | 0..1 | string | Unique id for inter-element referencing | |||||
extension | 0..* | Extension | Additional content defined by implementations | |||||
use | 0..1 | code | usual | official | temp | secondary | old (If known) | |||||
type | 0..1 | CodeableConcept | Description of identifier | |||||
system | 1..1 | uri | The namespace for the identifier value Fixed Value: urn:oid:2.16.840.1.113883.4.7 | |||||
value | 0..1 | string | The value that is unique | |||||
period | 0..1 | Period | Time period when id is/was valid for use | |||||
assigner | 0..1 | Reference(Organization) | Organization that issued id (may be just text) | |||||
active | ?!SΣ | 1..1 | boolean | Whether the organization's record is still in active use | ||||
type | Σ | 0..* | CodeableConcept | Kind of organization Binding: OrganizationType (example): Used to categorize the organization. | ||||
name | SΣC | 1..1 | string | Name used for the organization | ||||
alias | 0..* | string | A list of alternate names that the organization is known as, or was known as in the past | |||||
telecom | SC | 0..* | ContactPoint | A contact detail for the organization | ||||
address | SC | 0..* | Address | An address for the organization | ||||
id | 0..1 | string | Unique id for inter-element referencing | |||||
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
use | ?!Σ | 0..1 | code | home | work | temp | old | billing - purpose of this address Binding: AddressUse (required): The use of an address. Example General: home | ||||
type | Σ | 0..1 | code | postal | physical | both Binding: AddressType (required): The type of an address (physical / postal). Example General: both | ||||
text | Σ | 0..1 | string | Text representation of the address Example General: 137 Nowhere Street, Erewhon 9132 | ||||
line | SΣ | 0..4 | string | Street name, number, direction & P.O. Box etc. This repeating element order: The order in which lines should appear in an address label Example General: 137 Nowhere Street | ||||
city | SΣ | 0..1 | string | Name of city, town etc. Example General: Erewhon | ||||
district | Σ | 0..1 | string | District name (aka county) Example General: Madison | ||||
state | SΣ | 0..1 | string | Sub-unit of country (abbreviations ok) Binding: USPS Two Letter Alphabetic Codes (extensible): Two letter USPS alphabetic codes. | ||||
postalCode | SΣ | 0..1 | string | US Zip Codes Example General: 9132 | ||||
country | SΣ | 0..1 | string | Country (e.g. can be ISO 3166 2 or 3 letter code) | ||||
period | Σ | 0..1 | Period | Time period when address was/is in use Example General: {"start":"2010-03-23","end":"2010-07-01"} | ||||
partOf | SΣ | 0..1 | Reference(CRD Organization) | The organization of which this organization forms a part | ||||
contact | 0..* | BackboneElement | Contact for the organization for a certain purpose | |||||
id | 0..1 | string | Unique id for inter-element referencing | |||||
extension | 0..* | Extension | Additional content defined by implementations | |||||
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ||||
purpose | 0..1 | CodeableConcept | The type of contact Binding: ContactEntityType (extensible): The purpose for which you would contact a contact party. | |||||
name | 0..1 | HumanName | A name associated with the contact | |||||
telecom | 0..* | ContactPoint | Contact details (telephone, email, etc.) for a contact | |||||
address | 0..1 | Address | Visiting or postal addresses for the contact | |||||
endpoint | 0..* | Reference(Endpoint) | Technical endpoints providing access to services operated for the organization | |||||
Documentation for this format |
Path | Conformance | ValueSet | ||||
Organization.language | preferred | CommonLanguages
| ||||
Organization.type | example | OrganizationType | ||||
Organization.address.use | required | AddressUse | ||||
Organization.address.type | required | AddressType | ||||
Organization.address.state | extensible | UspsTwoLetterAlphabeticCodes | ||||
Organization.contact.purpose | extensible | ContactEntityType |
Id | Grade | Path(s) | Details | Requirements |
dom-2 | error | Organization | If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty() | |
dom-3 | error | Organization | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty() | |
dom-4 | error | Organization | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty() | |
dom-5 | error | Organization | If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty() | |
dom-6 | best practice | Organization | A resource should have narrative for robust management : text.`div`.exists() | |
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
org-1 | error | Organization | The organization SHALL at least have a name or an identifier, and possibly more than one : (identifier.count() + name.count()) > 0 | |
org-2 | error | Organization.address | An address of an organization can never be of use 'home' : where(use = 'home').empty() | |
org-3 | error | Organization.telecom | The telecom of an organization can never be of use 'home' : where(use = 'home').empty() |
This structure is derived from USCoreOrganizationProfile
Summary
Must-Support: 1 element
Structures
This structure refers to these other structures:
Maturity: 2
Other representations of profile: CSV, Excel, Schematron