Mongolian HDIT Implementation guide
1.0.0 - Review
Mongolian HDIT Implementation guide - Local Development build (v1.0.0). See the Directory of published versions
A specialized encounter resource focused on inpatient care. Used in the Inpatient discharge composition resource profile.
The official URL for this profile is:
http://fhir.mn/StructureDefinition/mng-inpatient-encounter
Description of Profiles, Differentials, Snapshots and how the different presentations work.
This structure is derived from EncounterMn
This structure is derived from EncounterMn
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Encounter | 0..* | EncounterMn | An interaction during which services are provided to the patient | |
extension | 1..* | Extension | Extension Slice: Unordered, Open by value:url | |
activity-outcome | S | 1..1 | CodeableConcept | Extension URL: http://fhir.mn/StructureDefinition/activity-outcome |
valueCodeableConcept | 1..1 | CodeableConcept | Value of extension Binding: Inpatient encounter outcome value set. (required) | |
class | S | 1..1 | Coding | Classification of patient encounter Required Pattern: At least the following |
code | 1..1 | code | Symbol in syntax defined by the system Fixed Value: IMP | |
type | S | 0..* | CodeableConcept | Specific type of encounter Binding: Inpatient encounter type value set. (required) |
serviceType | S | 0..1 | CodeableConcept | Specific type of service Required Pattern: At least the following |
coding | 1..* | Coding | Code defined by a terminology system Fixed Value: (complex) | |
code | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 557 | |
display | 1..1 | string | Representation defined by the system Fixed Value: Inpatients | |
subject | 1..1 | Reference(PatientMn) | The patient or group present at the encounter | |
period | 1..1 | Period | The start and end time of the encounter | |
start | S | 1..1 | dateTime | Starting time with inclusive boundary |
end | S | 1..1 | dateTime | End time with inclusive boundary, if not ongoing |
length | S | 1..1 | Duration | Quantity of time the encounter lasted (less time absent) |
diagnosis | S | 1..* | BackboneElement | The list of diagnosis relevant to this encounter |
use | S | 0..1 | CodeableConcept | Role that this diagnosis has within the encounter (e.g. admission, billing, discharge …) |
hospitalization | S | 1..1 | BackboneElement | Details about the admission to a healthcare service |
dischargeDisposition | S | 1..1 | CodeableConcept | Category or kind of location after discharge Binding: DischargeDisposition (required) |
Documentation for this format |
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Encounter | I | 0..* | EncounterMn | An interaction during which services are provided to the patient |
id | Σ | 0..1 | string | Logical id of this artifact |
meta | ΣI | 0..1 | Meta | Metadata about the resource |
implicitRules | ?!ΣI | 0..1 | uri | A set of rules under which this content was created |
language | I | 0..1 | code | Language of the resource content Binding: CommonLanguages (preferred) Max Binding: AllLanguages |
text | I | 0..1 | Narrative | Text summary of the resource, for human interpretation |
contained | 0..* | Resource | Contained, inline Resources | |
extension | I | 1..* | Extension | Extension Slice: Unordered, Open by value:url |
activity-outcome | SI | 1..1 | CodeableConcept | Extension URL: http://fhir.mn/StructureDefinition/activity-outcome |
extension | I | 0..0 | ||
url | 1..1 | uri | "http://fhir.mn/StructureDefinition/activity-outcome" | |
value[x] | SI | 1..1 | (Slice Definition) | Value of extension Slice: Unordered, Closed by type:$this |
value[x]:valueCodeableConcept | I | 1..1 | CodeableConcept | Value of extension Binding: Inpatient encounter outcome value set. (required) |
modifierExtension | ?!I | 0..* | Extension | Extensions that cannot be ignored |
identifier | ΣI | 0..* | Identifier | Identifier(s) by which this encounter is known |
status | ?!ΣI | 1..1 | code | planned | arrived | triaged | in-progress | onleave | finished | cancelled + Binding: EncounterStatus (required) |
statusHistory | I | 0..* | BackboneElement | List of past encounter statuses |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!ΣI | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
status | I | 1..1 | code | planned | arrived | triaged | in-progress | onleave | finished | cancelled + Binding: EncounterStatus (required) |
period | I | 1..1 | Period | The time that the episode was in the specified status |
class | SΣI | 1..1 | Coding | Classification of patient encounter Binding: V3 Value SetActEncounterCode (extensible) Required Pattern: At least the following |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations | |
system | 0..1 | uri | Identity of the terminology system | |
version | 0..1 | string | Version of the system - if relevant | |
code | 1..1 | code | Symbol in syntax defined by the system Fixed Value: IMP | |
display | 0..1 | string | Representation defined by the system | |
userSelected | 0..1 | boolean | If this coding was chosen directly by the user | |
classHistory | I | 0..* | BackboneElement | List of past encounter classes |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!ΣI | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
class | I | 1..1 | Coding | inpatient | outpatient | ambulatory | emergency + Binding: V3 Value SetActEncounterCode (extensible) |
period | I | 1..1 | Period | The time that the episode was in the specified class |
type | SΣI | 0..* | CodeableConcept | Specific type of encounter Binding: Inpatient encounter type value set. (required) |
serviceType | SΣI | 0..1 | CodeableConcept | Specific type of service Binding: ServiceType (example) Required Pattern: At least the following |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations | |
coding | 1..* | Coding | Code defined by a terminology system Fixed Value: (complex) | |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations | |
system | 0..1 | uri | Identity of the terminology system | |
version | 0..1 | string | Version of the system - if relevant | |
code | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 557 | |
display | 1..1 | string | Representation defined by the system Fixed Value: Inpatients | |
userSelected | 0..1 | boolean | If this coding was chosen directly by the user | |
text | 0..1 | string | Plain text representation of the concept | |
priority | I | 0..1 | CodeableConcept | Indicates the urgency of the encounter Binding: v3 Code System ActPriority (example) |
subject | SΣI | 1..1 | Reference(PatientMn) | The patient or group present at the encounter |
episodeOfCare | ΣI | 0..* | Reference(EpisodeOfCare) | Episode(s) of care that this encounter should be recorded against |
basedOn | I | 0..* | Reference(ServiceRequest) | The ServiceRequest that initiated this encounter |
participant | SΣI | 0..* | BackboneElement | List of participants involved in the encounter |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!ΣI | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
type | ΣI | 0..* | CodeableConcept | Role of participant in encounter Binding: ParticipantType (extensible) |
period | I | 0..1 | Period | Period of time during the encounter that the participant participated |
individual | SΣI | 0..1 | Reference(PractitionerMn | PractitionerRoleMn | Related person) | Persons involved in the encounter other than the patient |
appointment | ΣI | 0..* | Reference(Appointment) | The appointment that scheduled this encounter |
period | SI | 1..1 | Period | The start and end time of the encounter |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url |
start | SΣI | 1..1 | dateTime | Starting time with inclusive boundary |
end | SΣI | 1..1 | dateTime | End time with inclusive boundary, if not ongoing |
length | SI | 1..1 | Duration | Quantity of time the encounter lasted (less time absent) |
reasonCode | ΣI | 0..* | CodeableConcept | Coded reason the encounter takes place Binding: EncounterReasonCodes (preferred) |
reasonReference | ΣI | 0..* | Reference(Condition | Procedure | Observation | ImmunizationRecommendation) | Reason the encounter takes place (reference) |
diagnosis | SΣI | 1..* | BackboneElement | The list of diagnosis relevant to this encounter |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!ΣI | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
condition | ΣI | 1..1 | Reference(Condition | Procedure) | The diagnosis or procedure relevant to the encounter |
use | SI | 0..1 | CodeableConcept | Role that this diagnosis has within the encounter (e.g. admission, billing, discharge …) Binding: DiagnosisRole (preferred) |
rank | I | 0..1 | positiveInt | Ranking of the diagnosis (for each role type) |
account | I | 0..* | Reference(Account) | The set of accounts that may be used for billing for this Encounter |
hospitalization | SI | 1..1 | BackboneElement | Details about the admission to a healthcare service |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!ΣI | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
preAdmissionIdentifier | I | 0..1 | Identifier | Pre-admission identifier |
origin | I | 0..1 | Reference(Location | Organization) | The location/organization from which the patient came before admission |
admitSource | I | 0..1 | CodeableConcept | From where patient was admitted (physician referral, transfer) Binding: AdmitSource (preferred) |
reAdmission | I | 0..1 | CodeableConcept | The type of hospital re-admission that has occurred (if any). If the value is absent, then this is not identified as a readmission Binding: v2 RE-ADMISSION INDICATOR (example) |
dietPreference | I | 0..* | CodeableConcept | Diet preferences reported by the patient Binding: Diet (example) |
specialCourtesy | I | 0..* | CodeableConcept | Special courtesies (VIP, board member) Binding: SpecialCourtesy (preferred) |
specialArrangement | I | 0..* | CodeableConcept | Wheelchair, translator, stretcher, etc. Binding: SpecialArrangements (preferred) |
destination | I | 0..1 | Reference(Location | Organization) | Location/organization to which the patient is discharged |
dischargeDisposition | SI | 1..1 | CodeableConcept | Category or kind of location after discharge Binding: DischargeDisposition (required) |
location | I | 0..* | BackboneElement | List of locations where the patient has been |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!ΣI | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
location | I | 1..1 | Reference(Location) | Location the encounter takes place |
status | I | 0..1 | code | planned | active | reserved | completed Binding: EncounterLocationStatus (required) |
physicalType | I | 0..1 | CodeableConcept | The physical type of the location (usually the level in the location hierachy - bed room ward etc.) Binding: LocationType (example) |
period | I | 0..1 | Period | Time period during which the patient was present at the location |
serviceProvider | SI | 0..1 | Reference(OrganizationMn) | The organization (facility) responsible for this encounter |
partOf | SI | 0..1 | Reference(Encounter-mn) | Another Encounter this encounter is part of |
Documentation for this format |
This structure is derived from EncounterMn
Differential View
This structure is derived from EncounterMn
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Encounter | 0..* | EncounterMn | An interaction during which services are provided to the patient | |
extension | 1..* | Extension | Extension Slice: Unordered, Open by value:url | |
activity-outcome | S | 1..1 | CodeableConcept | Extension URL: http://fhir.mn/StructureDefinition/activity-outcome |
valueCodeableConcept | 1..1 | CodeableConcept | Value of extension Binding: Inpatient encounter outcome value set. (required) | |
class | S | 1..1 | Coding | Classification of patient encounter Required Pattern: At least the following |
code | 1..1 | code | Symbol in syntax defined by the system Fixed Value: IMP | |
type | S | 0..* | CodeableConcept | Specific type of encounter Binding: Inpatient encounter type value set. (required) |
serviceType | S | 0..1 | CodeableConcept | Specific type of service Required Pattern: At least the following |
coding | 1..* | Coding | Code defined by a terminology system Fixed Value: (complex) | |
code | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 557 | |
display | 1..1 | string | Representation defined by the system Fixed Value: Inpatients | |
subject | 1..1 | Reference(PatientMn) | The patient or group present at the encounter | |
period | 1..1 | Period | The start and end time of the encounter | |
start | S | 1..1 | dateTime | Starting time with inclusive boundary |
end | S | 1..1 | dateTime | End time with inclusive boundary, if not ongoing |
length | S | 1..1 | Duration | Quantity of time the encounter lasted (less time absent) |
diagnosis | S | 1..* | BackboneElement | The list of diagnosis relevant to this encounter |
use | S | 0..1 | CodeableConcept | Role that this diagnosis has within the encounter (e.g. admission, billing, discharge …) |
hospitalization | S | 1..1 | BackboneElement | Details about the admission to a healthcare service |
dischargeDisposition | S | 1..1 | CodeableConcept | Category or kind of location after discharge Binding: DischargeDisposition (required) |
Documentation for this format |
Snapshot View
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Encounter | I | 0..* | EncounterMn | An interaction during which services are provided to the patient |
id | Σ | 0..1 | string | Logical id of this artifact |
meta | ΣI | 0..1 | Meta | Metadata about the resource |
implicitRules | ?!ΣI | 0..1 | uri | A set of rules under which this content was created |
language | I | 0..1 | code | Language of the resource content Binding: CommonLanguages (preferred) Max Binding: AllLanguages |
text | I | 0..1 | Narrative | Text summary of the resource, for human interpretation |
contained | 0..* | Resource | Contained, inline Resources | |
extension | I | 1..* | Extension | Extension Slice: Unordered, Open by value:url |
activity-outcome | SI | 1..1 | CodeableConcept | Extension URL: http://fhir.mn/StructureDefinition/activity-outcome |
extension | I | 0..0 | ||
url | 1..1 | uri | "http://fhir.mn/StructureDefinition/activity-outcome" | |
value[x] | SI | 1..1 | (Slice Definition) | Value of extension Slice: Unordered, Closed by type:$this |
value[x]:valueCodeableConcept | I | 1..1 | CodeableConcept | Value of extension Binding: Inpatient encounter outcome value set. (required) |
modifierExtension | ?!I | 0..* | Extension | Extensions that cannot be ignored |
identifier | ΣI | 0..* | Identifier | Identifier(s) by which this encounter is known |
status | ?!ΣI | 1..1 | code | planned | arrived | triaged | in-progress | onleave | finished | cancelled + Binding: EncounterStatus (required) |
statusHistory | I | 0..* | BackboneElement | List of past encounter statuses |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!ΣI | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
status | I | 1..1 | code | planned | arrived | triaged | in-progress | onleave | finished | cancelled + Binding: EncounterStatus (required) |
period | I | 1..1 | Period | The time that the episode was in the specified status |
class | SΣI | 1..1 | Coding | Classification of patient encounter Binding: V3 Value SetActEncounterCode (extensible) Required Pattern: At least the following |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations | |
system | 0..1 | uri | Identity of the terminology system | |
version | 0..1 | string | Version of the system - if relevant | |
code | 1..1 | code | Symbol in syntax defined by the system Fixed Value: IMP | |
display | 0..1 | string | Representation defined by the system | |
userSelected | 0..1 | boolean | If this coding was chosen directly by the user | |
classHistory | I | 0..* | BackboneElement | List of past encounter classes |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!ΣI | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
class | I | 1..1 | Coding | inpatient | outpatient | ambulatory | emergency + Binding: V3 Value SetActEncounterCode (extensible) |
period | I | 1..1 | Period | The time that the episode was in the specified class |
type | SΣI | 0..* | CodeableConcept | Specific type of encounter Binding: Inpatient encounter type value set. (required) |
serviceType | SΣI | 0..1 | CodeableConcept | Specific type of service Binding: ServiceType (example) Required Pattern: At least the following |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations | |
coding | 1..* | Coding | Code defined by a terminology system Fixed Value: (complex) | |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations | |
system | 0..1 | uri | Identity of the terminology system | |
version | 0..1 | string | Version of the system - if relevant | |
code | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 557 | |
display | 1..1 | string | Representation defined by the system Fixed Value: Inpatients | |
userSelected | 0..1 | boolean | If this coding was chosen directly by the user | |
text | 0..1 | string | Plain text representation of the concept | |
priority | I | 0..1 | CodeableConcept | Indicates the urgency of the encounter Binding: v3 Code System ActPriority (example) |
subject | SΣI | 1..1 | Reference(PatientMn) | The patient or group present at the encounter |
episodeOfCare | ΣI | 0..* | Reference(EpisodeOfCare) | Episode(s) of care that this encounter should be recorded against |
basedOn | I | 0..* | Reference(ServiceRequest) | The ServiceRequest that initiated this encounter |
participant | SΣI | 0..* | BackboneElement | List of participants involved in the encounter |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!ΣI | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
type | ΣI | 0..* | CodeableConcept | Role of participant in encounter Binding: ParticipantType (extensible) |
period | I | 0..1 | Period | Period of time during the encounter that the participant participated |
individual | SΣI | 0..1 | Reference(PractitionerMn | PractitionerRoleMn | Related person) | Persons involved in the encounter other than the patient |
appointment | ΣI | 0..* | Reference(Appointment) | The appointment that scheduled this encounter |
period | SI | 1..1 | Period | The start and end time of the encounter |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url |
start | SΣI | 1..1 | dateTime | Starting time with inclusive boundary |
end | SΣI | 1..1 | dateTime | End time with inclusive boundary, if not ongoing |
length | SI | 1..1 | Duration | Quantity of time the encounter lasted (less time absent) |
reasonCode | ΣI | 0..* | CodeableConcept | Coded reason the encounter takes place Binding: EncounterReasonCodes (preferred) |
reasonReference | ΣI | 0..* | Reference(Condition | Procedure | Observation | ImmunizationRecommendation) | Reason the encounter takes place (reference) |
diagnosis | SΣI | 1..* | BackboneElement | The list of diagnosis relevant to this encounter |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!ΣI | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
condition | ΣI | 1..1 | Reference(Condition | Procedure) | The diagnosis or procedure relevant to the encounter |
use | SI | 0..1 | CodeableConcept | Role that this diagnosis has within the encounter (e.g. admission, billing, discharge …) Binding: DiagnosisRole (preferred) |
rank | I | 0..1 | positiveInt | Ranking of the diagnosis (for each role type) |
account | I | 0..* | Reference(Account) | The set of accounts that may be used for billing for this Encounter |
hospitalization | SI | 1..1 | BackboneElement | Details about the admission to a healthcare service |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!ΣI | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
preAdmissionIdentifier | I | 0..1 | Identifier | Pre-admission identifier |
origin | I | 0..1 | Reference(Location | Organization) | The location/organization from which the patient came before admission |
admitSource | I | 0..1 | CodeableConcept | From where patient was admitted (physician referral, transfer) Binding: AdmitSource (preferred) |
reAdmission | I | 0..1 | CodeableConcept | The type of hospital re-admission that has occurred (if any). If the value is absent, then this is not identified as a readmission Binding: v2 RE-ADMISSION INDICATOR (example) |
dietPreference | I | 0..* | CodeableConcept | Diet preferences reported by the patient Binding: Diet (example) |
specialCourtesy | I | 0..* | CodeableConcept | Special courtesies (VIP, board member) Binding: SpecialCourtesy (preferred) |
specialArrangement | I | 0..* | CodeableConcept | Wheelchair, translator, stretcher, etc. Binding: SpecialArrangements (preferred) |
destination | I | 0..1 | Reference(Location | Organization) | Location/organization to which the patient is discharged |
dischargeDisposition | SI | 1..1 | CodeableConcept | Category or kind of location after discharge Binding: DischargeDisposition (required) |
location | I | 0..* | BackboneElement | List of locations where the patient has been |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | I | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!ΣI | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
location | I | 1..1 | Reference(Location) | Location the encounter takes place |
status | I | 0..1 | code | planned | active | reserved | completed Binding: EncounterLocationStatus (required) |
physicalType | I | 0..1 | CodeableConcept | The physical type of the location (usually the level in the location hierachy - bed room ward etc.) Binding: LocationType (example) |
period | I | 0..1 | Period | Time period during which the patient was present at the location |
serviceProvider | SI | 0..1 | Reference(OrganizationMn) | The organization (facility) responsible for this encounter |
partOf | SI | 0..1 | Reference(Encounter-mn) | Another Encounter this encounter is part of |
Documentation for this format |
Other representations of profile: Schematron
Path | Conformance | ValueSet / Code | |||||||||||||||||||||||||||||||||||||||||||||||||
Encounter.language | preferred | CommonLanguages Max Binding: AllLanguages | |||||||||||||||||||||||||||||||||||||||||||||||||
Encounter.extension:outcome.value[x]:valueCodeableConcept | required | InpatientEncounterOutcomeValueSet | |||||||||||||||||||||||||||||||||||||||||||||||||
Encounter.status | required | EncounterStatus | |||||||||||||||||||||||||||||||||||||||||||||||||
Encounter.statusHistory.status | required | EncounterStatus | |||||||||||||||||||||||||||||||||||||||||||||||||
Encounter.class | extensible | Pattern: IMP
Encounter.classHistory.class | extensible | v3.ActEncounterCode | Encounter.type | required | InpatientEncounterTypeValueSet | Encounter.serviceType | example | Pattern: 557("Inpatients")
| Encounter.priority | example | v3.ActPriority | Encounter.participant.type | extensible | ParticipantType | Encounter.reasonCode | preferred | EncounterReasonCodes | Encounter.diagnosis.use | preferred | DiagnosisRole | Encounter.hospitalization.admitSource | preferred | AdmitSource | Encounter.hospitalization.reAdmission | example | v2.0092 | Encounter.hospitalization.dietPreference | example | Diet | Encounter.hospitalization.specialCourtesy | preferred | SpecialCourtesy | Encounter.hospitalization.specialArrangement | preferred | SpecialArrangements | Encounter.hospitalization.dischargeDisposition | required | DischargeDispositionValueSet | Encounter.location.status | required | EncounterLocationStatus | Encounter.location.physicalType | example | LocationType | ConstraintsConstraints
|