Business Context Index > Business Data

DHDR Conceptual Data Model

This model is linked to Ontario’s Electronic Health Record (EHR) Conceptual Information Model 2.0 (CIM 2.0). See: https://ehealthontario.on.ca/files/public/support/Architecture/Ontario_EHR_CIM_2.0.pdf

To support the use of structured data through the adoption of data content and health terminology standards in the solution, this CDM also includes high-level entity relationships and attributes discovered in versions of the FHIR R4.0.1 interoperability standard. The model does not repeat the structure of the messages laid out in FHIR. Links to FHIR specs are included for entity definitions and field code values. In any difference of meaning between cited FHIR elements and this model, FHIR is the authoritative voice. This model relies on the following specifications:

  • FHIR R4.0.1 - The current official version of FHIR as of the time this implementation guide was published

Conceptual Data Model ERDs and Metadata

Entity Relationship Diagrams (ERDs) follow. These include:

  • a conceptual high-level ERD for solution data structures, including metadata for each entity
  • an ERD for the Client & Provider subject area (including metadata for each entity) which is not called out as a FHIR Profile but is included because all other entities in the model are dependent on it,
  • two subject area ERDs, each Subject Area corresponds to a Profile and metadata is included for each attribute

DHDR Conceptual Data Model

The Conceptual Data Model that follows describes the concepts that are available via DHDR, but are general descriptions of the concept within the context of the broader health care system and an Electronic Health Record (EHR). The definitions of the entities are taken specifically from the EHR Conceptual Information Model and are meant to cover the broad spectrum of the data across the EHR. The information that is available via the DHDR interface may only contain a subset of the concepts described in the definition of the Entity. For information related to the specific concepts and data subsets available via the DHDR API, please visit Information Available to Health Care Providers through the Digital Health Drug Repository - Forms- Central Forms Repository (CFR) (beta) (gov.on.ca) .


Entity Name Description FHIR Resource Name
Healthcare Client An individual participating in the health care system for the purpose of receiving therapeutic, diagnostic, or preventive procedures. (U.S. National Library of Medicine - Medical Subject Headings)
A natural person (i.e. a human being) who:
  • is eligible to receive health care services in Ontario, or
  • has received or is receiving health care services in the province of Ontario (i.e. a health care client).

This entity covers personal identifying information but not health information. It includes information about:
  • identity within the health system e.g. a Health Number; each care setting may have a separate unique ID. E.g. a research study may uniquely identify a health care client as a test subject.
  • administrative gender, e.g. Male, Female, undisclosed
  • adoption: whether or not the health care client was adopted
  • birth and death dates
  • official versus preferred name
  • whether or not the health care client would prefer to receive correspondence

The health care client's identity may be unknown e.g. for a protected person or if the identity of the health care client is unknown. A health care client may be a VIP whose identity must be omitted from reporting. A health care client may be identified by an alias. Health care client-identifying information could include a photograph. May be elated genetically or by physical co-location (e.g. residential, occupational, travel, etc.) to another person not necessarily a health care client. Depending on care setting, a health care client may be referred to as:
  • Patient (currently receiving care)
  • Participant (in a clinical study)
  • Resident (of a long term care facility)
  • Subject (in a public health case)
  • Client (in home care/community care cases/ settings)
 Patient
Health Care Provider Describes a health care provider involved in the delivery of healthcare services. Encompasses both professional and non-professional members.
Has professions, areas of practice for which the provider is qualified. May have information on clinician credentialing and privileging as defined by the applicable professional and governing organizations. This includes remote participation (e.g., via tele-health activities such as tele-consultation, home health monitoring.) Includes any information about licensing status and license suspension. May be an author, authenticator or scribe/transcriber of clinical documentation.
Has a Unique Provider Identifier, a key assigned by eHealth to uniquely identify each Provider. May have a health system universal ID. May have a license number or national provider identifier (U.S.). May have multiple unique identifiers.		 N/A
Provider Organization An organization that provides health care or other health-related services or products.
Includes e.g. insurers and transcription services.vMay have information on service classification e.g. Regional Cancer Centre. (For Single Sign on application, a Provider Organization may be a Sponsoring Organization, a Health Care organization that has users that require access to at least one Federated Service. 2015-6-15)		 Organization
Provider Person Describes a health care provider involved in the delivery of healthcare services. Encompasses both professional and non-professional members.
Has professions, areas of practice for which the provider is qualified. May have information on clinician credentialing and privileging as defined by the applicable professional and governing organizations. This includes remote participation (e.g., via tele-health activities such as tele-consultation, home health monitoring.) Includes any information about licensing status and license suspension. May be an author, authenticator or scribe/transcriber of clinical documentation.
Has a Unique Provider Identifier, a key assigned by eHealth to uniquely identify each Provider. May have a health system universal ID. May have a license number or national provider identifier (U.S.). May have multiple unique identifiers.		 Practitioner
Provider Role A part played by a health care provider (regulated or unregulated) that provides a type of care to a particular health care client. Examples:
Acupuncturist
Advanced Care Paramedic
Audiologist
Certified Graduate Nurse
Chiropractic
Clinical Counsellor
Combined Lab and X-Ray Technologist
Communicable Disease Case Investigator
Counsellor
Critical Care Paramedic
Dental Assistant
Dental Hygienist
Dental Technician
Dentist
Denturist
Emergency Medical Responder
Homeopath
Home Support Worker
Kinesiologist
Lab Technician
Licensed Practical Nurse
Marriage and Family Therapist
Medical Doctor
Medical Laboratory Technologist
Medical Officer of Health
Midwife
Nuclear Medicine Technologist
Occupational Therapist
Optician
Optometrist
Paramedic Practitioner
Pharmacist
Pharmacy Technician
Physiotherapist
Personal Support Worker
Podiatrist
Primary Care Paramedic
Psychiatrist
Psychologist
Psychotherapist
Radiation Technologist in Magnetic Resonance
Radiation Technologist in Radiation
Radiation Technologist in Therapy
Recreation Therapist
Registered Acupuncturist
Registered Clinical Social Worker
Registered Dietitian
Registered Massage Therapist
Registered Midwife
Registered Nurse
Registered Nurse Practitioner
Registered Psychiatric Nurse
Respiratory Therapist
Social Services Worker
Social Worker
Speech Language Pathologist
Speech Therapist
Veterinarian
 Practitioner Role
Health Care Provider Product Location aka. Location (Service Delivery) An address or other identifiable locale at which health products have been provided to an individual health care client in a Health Care Encounter, often by a particular provider playing a particular role.
It may also be:
  • temporary (e.g. flu shot clinic in a mall)
  • mobile (e.g., ambulance, mobile lab)
  • in the field (e.g., car, accident site)
  • the health care client’s home
  • virtual (e.g. a tele-health activity such as tele-consultation or home health monitoring

Locations and contact information may refer to the location of the provider within a health care facility's premises e.g. a hospital unit.
Products and services can be provided by non-licensed providers e.g. care-givers.		 Location
Drugs Any substance or mixture of substances used in the diagnosis, treatment, mitigation or prevention of a disease, disorder or abnormal physical state, or its symptoms, or when used for non-medical purposes, solely for its effects on the central nervous system. Includes prescription drugs, herbal medicine, vitamins, minerals, Chinese medicine, and other over the counter medicines. Also there are extemporaneous mixtures which are combinations of drugs. May have the following attributes:
  • administration route
  • drug identification e.g. DIN
  • name, including brand name and generic name, in English and French
  • manufacturer
  • therapeutic class
  • pharmaceutical format (e.g. capsule, tablet)
  • strength (e.g. 200 mg.)
 Medication
Medication Order (Requisition) A request for a Health Product, fulfilled by providers. A requisition may come with instructions, which may come from the provider, a pharmacist, or a manufacturer.
May have:
  • a life cycle to manage the creation, renewal, modification and discontinuation or cancellation of a requisition.
  • oral verification (i.e a 'read-back') of the complete requisition by the person receiving the telephone or verbal requisition.
  • an association with an order set, a frequently used and institutionally-approved preferred group of requisitions facilitating retrieval and ordering. They allow a care provider to choose common orders for a particular circumstance or disease state according to standards or other criteria such as provider preference.
May include:
  • a status (e.g. captured, verified, filled, or dispensed to health care client; for inpatient: captured, verified, filled, or medication administered).
  • indication of urgency (e.g. ASAP or STAT).
  • recurrence
 MedicationDispense / MedicationRequest/MedicationAdministration

Client and Provider Subject Area

Metadata for the attributes in this subject area are available at the following location(s):

See below for related Subject Area details

Medication Order Subject Area

Metadata for the attributes in this subject area are available at the following location(s):