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  • Home
  • About the ISA
    • Structure
    • Timeline and Comment Process
    • FAQs
  • ISA Content
    • Vocabulary/Code Set/Terminology
      • Allergies and Intolerances
        • Representing Patient Allergic Reactions
        • Representing Patient Allergies and Intolerances; Environmental Substances
        • Representing Patient Allergies and Intolerances; Food Substances
        • Representing Patient Allergies and Intolerances; Medications
      • Biologics
        • Representing Biological Products
      • Clinical Notes
        • Representing Clinical Notes
      • Clinical Tests
        • Representing Clinical Tests Ordered/Performed
        • Representing Clinical Tests Result/Value
      • Cognitive Status
        • Representing Patient Cognitive Status
      • COVID-19 Novel Coronavirus Pandemic
        • COVID-19 Novel Coronavirus Pandemic
      • Demographics
        • Representing Patient Contact Information for Telecommunications
      • Dietary and Nutritional Needs
        • Representing Nutrition Assessment, Diagnosis, Interventions and Monitoring/Evaluation
      • Emergency Medical Services
        • Representing Health Care Data for Emergency Medical Services
      • Encounter Diagnosis, Assessment and Plan
        • Representing Assessment and Plan of Treatment
        • Representing Patient Dental Encounter Diagnosis
        • Representing Patient Medical Encounter Diagnosis
      • Family Health History
        • Representing Patient Family Health History
      • Functional Status/Disability
        • Representing Patient Functional Status and/or Disability
      • Goals
        • Representing Patient Goals
      • Health Care Providers, Family Members and Other Caregivers
        • Representing Health Care Providers
        • Representing Provider Role in Team Care Settings
        • Representing Relationship Between Patient and Another Person
      • Health Concerns
        • Representing Patient Health Concerns
      • Imaging (Diagnostics, Interventions and Procedures)
        • Representing Imaging Diagnostics, Interventions and Procedures
      • Immunizations
        • Representing Immunizations
      • Laboratory
        • Representing Laboratory Result Values
        • Representing Laboratory Test Ordered
        • Representing Laboratory Test Performed
        • Representing Laboratory Test Specimen
      • Medications
        • Representing Patient Medications
      • Nursing
        • Representing Clinical/Nursing Assessments
        • Representing Nursing Interventions
        • Representing Outcomes for Nursing
        • Representing Patient Problems for Nursing
      • Patient Clinical Problem List (i.e., "Conditions")
        • Representing Patient Clinical “Problems” (i.e., Conditions)
      • Preferred Language
        • Representing Patient Preferred Language (Presently)
      • Pregnancy Status
        • Representing Patient Pregnancy Status
      • Procedures
        • Representing Dental Procedures Performed
        • Representing Medical Procedures Performed
        • Representing Social Care Procedures
      • Provenance
        • Representing Data Provenance
      • Public Health Emergency Preparedness and Response
        • Representing Healthcare Personnel Status
        • Representing Hospital/Facility Beds Utilization
      • Race, Ethnicity and Tribal Affiliation
        • Representing Patient Race and Ethnicity
        • Representing Tribal Affiliation
      • Research
        • Representing Data for Biomedical and Health Services Research Purposes
      • Social, Psychological and Behavioral Data
        • Representing Alcohol Use
        • Representing Depression
        • Representing Educational Attainment
        • Representing Elder Abuse
        • Representing Employment Status
        • Representing Financial Insecurity
        • Representing Food Insecurity
        • Representing Health Insurance Coverage
        • Representing Homelessness
        • Representing Housing Instability
        • Representing Inadequate Housing
        • Representing Intimate Partner Violence
        • Representing Material Hardship
        • Representing Medical Cost Burden
        • Representing Physical Activity
        • Representing Social Care Services Information
        • Representing Social Connection and Isolation
        • Representing Social Determinants of Health - Conditions and Diagnoses
        • Representing Social Determinants of Health - Goals
        • Representing Social Determinants of Health - Interventions
        • Representing Social Determinants of Health - Screening Assessments
        • Representing Stress
        • Representing Substance Use
        • Representing Transportation Insecurity
        • Representing Veteran Status
      • Tobacco Use
        • Representing Patient Electronic Cigarette Use (Vaping)
        • Representing Patient Secondhand Tobacco Smoke Exposure
        • Representing Patient Tobacco Use (Smoking Status)
      • Units of Measure
        • Representing Units of Measure (For Use with Numerical References and Values)
      • Vital Signs
        • Representing Patient Vital Signs
      • Work Information
        • Representing Job, Usual Work, and Other Work Information
    • Content/Structure
      • Admission, Discharge and Transfer
        • Sending a Notification of a Long-Term Care Patient’s Admission, Discharge and/or Transfer Status to the Servicing Pharmacy
        • Sending a Notification of a Patient’s Admission, Discharge and/or Transfer Status to Other Providers
        • Sending a Notification of a Patient’s Encounter to a Record Locator Service
      • Care Coordination
        • Advance Directives
        • Referral from Acute Care to a Skilled Nursing Facility
        • Referral to a Specialist - Request, Status Updates, Outcome
        • Referrals Between Clinicians and Community-Based Organizations and Other Extra-Clinical Services
      • Care Plan
        • Documenting and Sharing Care Plans for a Single Clinical Context
        • Documenting and Sharing Medication-Related Care Plans by Pharmacists
        • Documenting Care Plans for Person Centered Services
        • Domain or Disease-Specific Care Plan Standards
        • Sharing Patient Care Plans for Multiple Clinical Contexts
      • Clinical Decision Support
        • Communicate Appropriate Use Criteria with the Order and Charge to the Filling Provider and Billing System for Inclusion on Claims
        • Provide Access to Appropriate Use Criteria
        • Sharable Clinical Decision Support
      • Clinical Notes
        • Documentation of Clinical Notes
      • Clinical Quality Measurement and Reporting
        • Reporting Aggregate Quality Data for Quality Reporting Initiatives
        • Reporting Patient-level Quality Data for Quality Reporting Initiatives
        • Sharing Quality Measure Artifacts for Quality Reporting Initiatives
      • Data Provenance
        • Establishing the Authenticity, Reliability, and Trustworthiness of Content Between Trading Partners
      • Diet and Nutrition
        • Exchanging Diet and Nutrition Orders Across the Continuum of Care
      • Family Health History (Clinical Genomics)
        • Representing Family Health History for Clinical Genomics
      • Healthy Weight
        • Sending Healthy Weight Information
      • Human and Social Services/Social Determinants of Health
        • Format for Structuring and Sharing Social Care Directory Information
      • Images
        • Format of Medical Imaging Reports for Exchange and Distribution
        • Format of Radiation Exposure Dose Reports for Exchange and Distribution
        • Format of Radiology Reports for Exchange and Distribution
        • Medical Image Formats for Data Exchange and Distribution
      • Laboratory
        • Exchange InVitro Diagnostics (IVD) Orders and Results
        • Exchange Laboratory Test Results
        • Order Laboratory Test
        • Transmit Laboratory Directory of Services to Provider System
      • Medical Device Communication to Other Information Systems/Technologies
        • Transmitting Patient Vital Signs from Medical Devices to Other Information Systems/Technologies
      • Patient Education Materials
        • Clinical Information Systems to Request Context-Specific Clinical Knowledge From Online Resources
      • Patient Identity/Identification Management
        • Patient Demographic Record Matching
        • Representing Patient Address
        • Representing Patient Names
          • Representing Patient Names
      • Patient Preference/Consent
        • Recording Patient Preferences for Electronic Consent to Access and/or Share their Health Information with Other Care Providers
      • Pharmacy Interoperability
        • Allows a Long Term or Post-Acute Care to Request to Send an Additional Supply of Medication
        • Allows a Pharmacy to Notify a Prescriber of Prescription Fill Status
        • Allows a Pharmacy to Request a Change to a Prescription
        • Allows a Pharmacy to Request a New Prescription For a New Course of Therapy or to Continue Therapy
        • Allows a Pharmacy to Request Additional Refills
        • Allows a Pharmacy to Request, Respond to or Confirm a Prescription Transfer
        • Allows a Prescriber or a Pharmacy to Request a Patient’s Medication History
        • Allows a Prescriber to Cancel a Prescription
        • Allows a Prescriber to Communicate Drug Administration Events
        • Allows a Prescriber to Communicate with a REMS Administrator
        • Allows a Prescriber to Prescribe Medication Using Weight-Based Dosing
        • Allows a Prescriber to Recertify the Continued Administration of a Medication Order
        • Allows a Prescriber to Request, Cancel or Appeal Prior Authorization for Medications
        • Allows a Prescriber to Send a New Prescription to a Pharmacy
        • Allows a Prescriber to Send a Prescription to a Pharmacy for a Controlled Substance
        • Allows a Prescriber to Request a Patient’s Medication History from a State Prescription Drug Monitoring Program (PDMP)
        • Allows for Communication of Prescription Information Between Prescribers and Dispensers
        • Allows for the Exchange of State Prescription Drug Monitoring Program (PDMP) Data
        • Allows Pharmacy Benefit Payers to Communicate Formulary and Benefit Information to Prescriber Systems
      • Public Health Reporting
        • Adverse Event Reporting
        • Case Reporting to Public Health Agencies
        • Data Submission for Title X Family Planning Annual Reporting
        • Electronic Transmission of Reportable Laboratory Results to Public Health Agencies
        • Exchanging Immunization Data with Immunization Registries
        • Newborn Screening Results and Birth Defect Reporting to Public Health Agencies
        • Reporting Antimicrobial Use and Resistance Information to Public Health Agencies
        • Reporting Birth and Fetal Death to Public Health Agencies
        • Reporting Cancer Cases to Public Health Agencies
        • Reporting Death Records to Public Health Agencies
        • Reporting Syndromic Surveillance to Public Health (Emergency Department, Inpatient, and Urgent Care Settings)
        • Sending Health Care Survey Information to Public Health Agencies
      • Research
        • Data Collection for Submission to Registries and Reporting Authorities
        • Prepopulation of Research Forms from Electronic Health Records
        • Registering a Clinical Trial
        • Submission of Clinical Research Data Contained in EHRs and Other Health IT Systems for General Purpose or Preserving Specific FDA Requirements
        • Submission of Clinical Research Data to FDA to Support Product Marketing Applications
        • Submit Adverse Event Report from an Electronic Health Record to Drug Safety Regulators
      • Security Tags for Sensitive Information
        • Security Tags for Sensitive Information
      • Summary Care Record
        • Support a Transition of Care or Referral to Another Health Care Provider
      • Unique Device Identification
        • Defining a Globally Unique Device Identifier
        • Representing Unique Implantable Device Identifiers
        • Transmitting a Unique Device Identifier
      • Work Information
        • Work Information Templates
    • Services/Exchange
      • “Push” Exchange
        • An Unsolicited "Push" of Clinical Health Information to a Known Destination and Information System User
        • An Unsolicited “Push” of Clinical Health Information to a Known Destination Between Systems
        • Medical Device Communication to Other Information Systems/Technologies
        • Push Communication of Vital Signs from Medical Devices
        • Remote Patient Monitoring to Support Chronic Condition Management, Patient Education and Patient Engagement
        • Representing Path Traversal Expressions
      • Clinical Decision Support Services
        • Immunization Decision Support Forecast
        • Providing Patient-Specific Assessments and Recommendations Based on Patient Data for Clinical Decision Support
        • Retrieval of Contextually Relevant, Patient-Specific Knowledge Resources from Within Clinical Information Systems to Answer Clinical Questions Raised by Patients in the Course of Care
      • Consumer Access/Exchange of Health Information
        • Collection and Exchange of Patient-Reported Outcomes
        • Patient Exchanging Secure Messages with Care Providers
        • Push Patient-Generated Health Data into Integrated EHR
        • Remote Patient Authorization and Submission of EHR Data for Research
        • View, Download and Transmit Data from EHR
      • Healthcare Directory, Provider Directory
        • Listing of Providers for Access by Potential Exchange Partners
      • Image Exchange
        • Exchanging Images Outside a Specific Health Information Exchange Domain
        • Exchanging Images Within a Specific Health Information Exchange Domain
      • Infrastructure
        • Client Application Management
      • Patient Identity/Identification Management
        • Exchanging Patient Identification Within and Between Communities
      • Public Health Exchange
        • Transport for Immunization Submission and Query/Response
      • Publish and Subscribe
        • Publish and Subscribe Message Exchange
      • Query
        • Data Element Based Query for Clinical Health Information
        • Query for Documents Outside a Specific Health Information Exchange Domain
        • Query for Documents Within a Specific Health Information Exchange Domain
      • Resource Location
        • Care Service Discovery Within the U.S.
        • Finding and Retrieving Human Services Information
    • Administrative
      • Administrative Transactions - Non-Claims
        • Administrative Transaction Acknowledgements
        • Enrollment and Disenrollment in a Health Plan
        • Health Care Eligibility Benefit Inquiry and Response
        • Health Care Eligibility Benefit Inquiry and Response for Retail Pharmacy Coverage
      • Administrative Transactions to Financial Exchanges
        • Electronic Funds Transfer for Payments to Health Care Providers
        • Health Care Payment and Remittance Advice
        • Health Plan Premium Payments for Covered Members
      • Administrative Transactions to Support Clinical Care
        • Health Care Attachments to Support Claims, Referrals and Authorizations
        • Referral Certification and Authorization for Pharmacy Transactions
        • Referral Certification and Authorization Request and Response for Dental, Professional and Institutional Services
      • Administrative Transactions: Price Transparency
        • Advanced Estimates for Patient Costs from Providers & Payers
      • Health Care Claims and Coordination of Benefits
        • Health Care Claim Status Request and Response
        • Health Care Claims or Equivalent Encounter Information for Dental Claims
        • Health Care Claims or Equivalent Encounter Information for Institutional Claims
        • Health Care Claims or Equivalent Encounter Information for Professional Claims
        • Health Care Claims or Equivalent Encounter Information for Retail Pharmacy Claims
        • Health Care Claims or Equivalent Encounter Information for Retail Pharmacy Supplies and Professional Services
      • Operating Rules to Support Administrative Transactions
        • Operating Rules for Enrollment and Disenrollment
        • Operating Rules to Support Claim Status Transactions
        • CAQH CORE Operating Rules for Connectivity
        • Operating Rules for Electronic Funds Transfer (EFT) and Electronic Remittance Advice (ERA)
        • CAQH CORE Operating Rules for Eligibility & Benefits
        • Operating Rules for Health Care Claims
        • Operating Rules for Premium Payments
        • Operating Rules for Prior Authorization and Referrals
        • Attributed Patient Roster
        • Operating Rules to Support Electronic Prescribing Transactions
    • Appendices
      • Appendix I – Sources of Security Standards and Security Patterns
      • Appendix II - Models and Profiles
      • Appendix III - Educational and Informational Resources
        • Understanding Emerging API-Based Standards
        • Understanding Observations and Observation Values
      • Appendix IV - State and Local Public Health Readiness for Interoperability
    • Specialty Care and Settings
      • COVID-19
      • Opioids
      • Pediatrics
  • ISA Publications
    • Web Version as Single Page
    • 2025 ISA Reference Edition
  • Recent ISA Updates
  • USCDI Data Classes - All Levels
  • SVAP
  • About the Draft Federal FHIR® Action Plan
  • USCDI+

ISA Menu

  • Home
  • About the ISA
    • FAQs
    • Structure
    • Timeline and Comment Process
  • ISA Content
    • Administrative
      • Administrative Transactions - Non-Claims
        • Administrative Transaction Acknowledgements
        • Enrollment and Disenrollment in a Health Plan
        • Health Care Eligibility Benefit Inquiry and Response
        • Health Care Eligibility Benefit Inquiry and Response for Retail Pharmacy Coverage
      • Administrative Transactions to Financial Exchanges
        • Electronic Funds Transfer for Payments to Health Care Providers
        • Health Care Payment and Remittance Advice
        • Health Plan Premium Payments for Covered Members
      • Administrative Transactions to Support Clinical Care
        • Health Care Attachments to Support Claims, Referrals and Authorizations
        • Referral Certification and Authorization for Pharmacy Transactions
        • Referral Certification and Authorization Request and Response for Dental, Professional and Institutional Services
      • Administrative Transactions: Price Transparency
        • Advanced Estimates for Patient Costs from Providers & Payers
      • Health Care Claims and Coordination of Benefits
        • Health Care Claim Status Request and Response
        • Health Care Claims or Equivalent Encounter Information for Dental Claims
        • Health Care Claims or Equivalent Encounter Information for Institutional Claims
        • Health Care Claims or Equivalent Encounter Information for Professional Claims
        • Health Care Claims or Equivalent Encounter Information for Retail Pharmacy Claims
        • Health Care Claims or Equivalent Encounter Information for Retail Pharmacy Supplies and Professional Services
      • Operating Rules to Support Administrative Transactions
        • Operating Rules for Enrollment and Disenrollment
        • Operating Rules to Support Claim Status Transactions
        • CAQH CORE Operating Rules for Connectivity
        • Operating Rules for Electronic Funds Transfer (EFT) and Electronic Remittance Advice (ERA)
        • CAQH CORE Operating Rules for Eligibility & Benefits
        • Operating Rules for Health Care Claims
        • Operating Rules for Premium Payments
        • Operating Rules for Prior Authorization and Referrals
        • Attributed Patient Roster
        • Operating Rules to Support Electronic Prescribing Transactions
    • Appendices
      • Appendix I – Sources of Security Standards and Security Patterns
      • Appendix II - Models and Profiles
      • Appendix III - Educational and Informational Resources
        • Understanding Emerging API-Based Standards
        • Understanding Observations and Observation Values
      • Appendix IV - State and Local Public Health Readiness for Interoperability
    • Content/Structure
      • Admission, Discharge and Transfer
        • Sending a Notification of a Long-Term Care Patient’s Admission, Discharge and/or Transfer Status to the Servicing Pharmacy
        • Sending a Notification of a Patient’s Admission, Discharge and/or Transfer Status to Other Providers
        • Sending a Notification of a Patient’s Encounter to a Record Locator Service
      • Care Coordination
        • Advance Directives
        • Referral from Acute Care to a Skilled Nursing Facility
        • Referral to a Specialist - Request, Status Updates, Outcome
        • Referrals Between Clinicians and Community-Based Organizations and Other Extra-Clinical Services
      • Care Plan
        • Documenting and Sharing Care Plans for a Single Clinical Context
        • Documenting and Sharing Medication-Related Care Plans by Pharmacists
        • Documenting Care Plans for Person Centered Services
        • Domain or Disease-Specific Care Plan Standards
        • Sharing Patient Care Plans for Multiple Clinical Contexts
      • Clinical Decision Support
        • Communicate Appropriate Use Criteria with the Order and Charge to the Filling Provider and Billing System for Inclusion on Claims
        • Provide Access to Appropriate Use Criteria
        • Sharable Clinical Decision Support
      • Clinical Notes
        • Documentation of Clinical Notes
      • Clinical Quality Measurement and Reporting
        • Reporting Aggregate Quality Data for Quality Reporting Initiatives
        • Reporting Patient-level Quality Data for Quality Reporting Initiatives
        • Sharing Quality Measure Artifacts for Quality Reporting Initiatives
      • Data Provenance
        • Establishing the Authenticity, Reliability, and Trustworthiness of Content Between Trading Partners
      • Diet and Nutrition
        • Exchanging Diet and Nutrition Orders Across the Continuum of Care
      • Family Health History (Clinical Genomics)
        • Representing Family Health History for Clinical Genomics
      • Healthy Weight
        • Sending Healthy Weight Information
      • Human and Social Services/Social Determinants of Health
        • Format for Structuring and Sharing Social Care Directory Information
      • Images
        • Format of Medical Imaging Reports for Exchange and Distribution
        • Format of Radiation Exposure Dose Reports for Exchange and Distribution
        • Format of Radiology Reports for Exchange and Distribution
        • Medical Image Formats for Data Exchange and Distribution
      • Laboratory
        • Exchange InVitro Diagnostics (IVD) Orders and Results
        • Exchange Laboratory Test Results
        • Order Laboratory Test
        • Transmit Laboratory Directory of Services to Provider System
      • Medical Device Communication to Other Information Systems/Technologies
        • Transmitting Patient Vital Signs from Medical Devices to Other Information Systems/Technologies
      • Patient Education Materials
        • Clinical Information Systems to Request Context-Specific Clinical Knowledge From Online Resources
      • Patient Identity/Identification Management
        • Patient Demographic Record Matching
        • Representing Patient Address
        • Representing Patient Names
          • Representing Patient Names
      • Patient Preference/Consent
        • Recording Patient Preferences for Electronic Consent to Access and/or Share their Health Information with Other Care Providers
      • Pharmacy Interoperability
        • Allows a Long Term or Post-Acute Care to Request to Send an Additional Supply of Medication
        • Allows a Pharmacy to Notify a Prescriber of Prescription Fill Status
        • Allows a Pharmacy to Request a Change to a Prescription
        • Allows a Pharmacy to Request a New Prescription For a New Course of Therapy or to Continue Therapy
        • Allows a Pharmacy to Request Additional Refills
        • Allows a Pharmacy to Request, Respond to or Confirm a Prescription Transfer
        • Allows a Prescriber or a Pharmacy to Request a Patient’s Medication History
        • Allows a Prescriber to Cancel a Prescription
        • Allows a Prescriber to Communicate Drug Administration Events
        • Allows a Prescriber to Communicate with a REMS Administrator
        • Allows a Prescriber to Prescribe Medication Using Weight-Based Dosing
        • Allows a Prescriber to Recertify the Continued Administration of a Medication Order
        • Allows a Prescriber to Request, Cancel or Appeal Prior Authorization for Medications
        • Allows a Prescriber to Send a New Prescription to a Pharmacy
        • Allows a Prescriber to Send a Prescription to a Pharmacy for a Controlled Substance
        • Allows a Prescriber to Request a Patient’s Medication History from a State Prescription Drug Monitoring Program (PDMP)
        • Allows for Communication of Prescription Information Between Prescribers and Dispensers
        • Allows for the Exchange of State Prescription Drug Monitoring Program (PDMP) Data
        • Allows Pharmacy Benefit Payers to Communicate Formulary and Benefit Information to Prescriber Systems
      • Public Health Reporting
        • Adverse Event Reporting
        • Case Reporting to Public Health Agencies
        • Data Submission for Title X Family Planning Annual Reporting
        • Electronic Transmission of Reportable Laboratory Results to Public Health Agencies
        • Exchanging Immunization Data with Immunization Registries
        • Newborn Screening Results and Birth Defect Reporting to Public Health Agencies
        • Reporting Antimicrobial Use and Resistance Information to Public Health Agencies
        • Reporting Birth and Fetal Death to Public Health Agencies
        • Reporting Cancer Cases to Public Health Agencies
        • Reporting Death Records to Public Health Agencies
        • Reporting Syndromic Surveillance to Public Health (Emergency Department, Inpatient, and Urgent Care Settings)
        • Sending Health Care Survey Information to Public Health Agencies
      • Research
        • Data Collection for Submission to Registries and Reporting Authorities
        • Prepopulation of Research Forms from Electronic Health Records
        • Registering a Clinical Trial
        • Submission of Clinical Research Data Contained in EHRs and Other Health IT Systems for General Purpose or Preserving Specific FDA Requirements
        • Submission of Clinical Research Data to FDA to Support Product Marketing Applications
        • Submit Adverse Event Report from an Electronic Health Record to Drug Safety Regulators
      • Security Tags for Sensitive Information
        • Security Tags for Sensitive Information
      • Summary Care Record
        • Support a Transition of Care or Referral to Another Health Care Provider
      • Unique Device Identification
        • Defining a Globally Unique Device Identifier
        • Representing Unique Implantable Device Identifiers
        • Transmitting a Unique Device Identifier
      • Work Information
        • Work Information Templates
    • Services/Exchange
      • “Push” Exchange
        • An Unsolicited "Push" of Clinical Health Information to a Known Destination and Information System User
        • An Unsolicited “Push” of Clinical Health Information to a Known Destination Between Systems
        • Medical Device Communication to Other Information Systems/Technologies
        • Push Communication of Vital Signs from Medical Devices
        • Remote Patient Monitoring to Support Chronic Condition Management, Patient Education and Patient Engagement
        • Representing Path Traversal Expressions
      • Clinical Decision Support Services
        • Immunization Decision Support Forecast
        • Providing Patient-Specific Assessments and Recommendations Based on Patient Data for Clinical Decision Support
        • Retrieval of Contextually Relevant, Patient-Specific Knowledge Resources from Within Clinical Information Systems to Answer Clinical Questions Raised by Patients in the Course of Care
      • Consumer Access/Exchange of Health Information
        • Collection and Exchange of Patient-Reported Outcomes
        • Patient Exchanging Secure Messages with Care Providers
        • Push Patient-Generated Health Data into Integrated EHR
        • Remote Patient Authorization and Submission of EHR Data for Research
        • View, Download and Transmit Data from EHR
      • Healthcare Directory, Provider Directory
        • Listing of Providers for Access by Potential Exchange Partners
      • Image Exchange
        • Exchanging Images Outside a Specific Health Information Exchange Domain
        • Exchanging Images Within a Specific Health Information Exchange Domain
      • Infrastructure
        • Client Application Management
      • Patient Identity/Identification Management
        • Exchanging Patient Identification Within and Between Communities
      • Public Health Exchange
        • Transport for Immunization Submission and Query/Response
      • Publish and Subscribe
        • Publish and Subscribe Message Exchange
      • Query
        • Data Element Based Query for Clinical Health Information
        • Query for Documents Outside a Specific Health Information Exchange Domain
        • Query for Documents Within a Specific Health Information Exchange Domain
      • Resource Location
        • Care Service Discovery Within the U.S.
        • Finding and Retrieving Human Services Information
    • Specialty Care and Settings
      • COVID-19
      • Opioids
      • Pediatrics
    • Vocabulary/Code Set/Terminology
      • Allergies and Intolerances
        • Representing Patient Allergic Reactions
        • Representing Patient Allergies and Intolerances; Environmental Substances
        • Representing Patient Allergies and Intolerances; Food Substances
        • Representing Patient Allergies and Intolerances; Medications
      • Biologics
        • Representing Biological Products
      • Clinical Notes
        • Representing Clinical Notes
      • Clinical Tests
        • Representing Clinical Tests Ordered/Performed
        • Representing Clinical Tests Result/Value
      • Cognitive Status
        • Representing Patient Cognitive Status
      • COVID-19 Novel Coronavirus Pandemic
        • COVID-19 Novel Coronavirus Pandemic
      • Demographics
        • Representing Patient Contact Information for Telecommunications
      • Dietary and Nutritional Needs
        • Representing Nutrition Assessment, Diagnosis, Interventions and Monitoring/Evaluation
      • Emergency Medical Services
        • Representing Health Care Data for Emergency Medical Services
      • Encounter Diagnosis, Assessment and Plan
        • Representing Assessment and Plan of Treatment
        • Representing Patient Dental Encounter Diagnosis
        • Representing Patient Medical Encounter Diagnosis
      • Family Health History
        • Representing Patient Family Health History
      • Functional Status/Disability
        • Representing Patient Functional Status and/or Disability
      • Goals
        • Representing Patient Goals
      • Health Care Providers, Family Members and Other Caregivers
        • Representing Health Care Providers
        • Representing Provider Role in Team Care Settings
        • Representing Relationship Between Patient and Another Person
      • Health Concerns
        • Representing Patient Health Concerns
      • Imaging (Diagnostics, Interventions and Procedures)
        • Representing Imaging Diagnostics, Interventions and Procedures
      • Immunizations
        • Representing Immunizations
      • Laboratory
        • Representing Laboratory Result Values
        • Representing Laboratory Test Ordered
        • Representing Laboratory Test Performed
        • Representing Laboratory Test Specimen
      • Medications
        • Representing Patient Medications
      • Nursing
        • Representing Clinical/Nursing Assessments
        • Representing Nursing Interventions
        • Representing Outcomes for Nursing
        • Representing Patient Problems for Nursing
      • Patient Clinical Problem List (i.e., "Conditions")
        • Representing Patient Clinical “Problems” (i.e., Conditions)
      • Preferred Language
        • Representing Patient Preferred Language (Presently)
      • Pregnancy Status
        • Representing Patient Pregnancy Status
      • Procedures
        • Representing Dental Procedures Performed
        • Representing Medical Procedures Performed
        • Representing Social Care Procedures
      • Provenance
        • Representing Data Provenance
      • Public Health Emergency Preparedness and Response
        • Representing Healthcare Personnel Status
        • Representing Hospital/Facility Beds Utilization
      • Race, Ethnicity and Tribal Affiliation
        • Representing Patient Race and Ethnicity
        • Representing Tribal Affiliation
      • Research
        • Representing Data for Biomedical and Health Services Research Purposes
      • Social, Psychological and Behavioral Data
        • Representing Alcohol Use
        • Representing Depression
        • Representing Educational Attainment
        • Representing Elder Abuse
        • Representing Employment Status
        • Representing Financial Insecurity
        • Representing Food Insecurity
        • Representing Health Insurance Coverage
        • Representing Homelessness
        • Representing Housing Instability
        • Representing Inadequate Housing
        • Representing Intimate Partner Violence
        • Representing Material Hardship
        • Representing Medical Cost Burden
        • Representing Physical Activity
        • Representing Social Care Services Information
        • Representing Social Connection and Isolation
        • Representing Social Determinants of Health - Conditions and Diagnoses
        • Representing Social Determinants of Health - Goals
        • Representing Social Determinants of Health - Interventions
        • Representing Social Determinants of Health - Screening Assessments
        • Representing Stress
        • Representing Substance Use
        • Representing Transportation Insecurity
        • Representing Veteran Status
      • Tobacco Use
        • Representing Patient Electronic Cigarette Use (Vaping)
        • Representing Patient Secondhand Tobacco Smoke Exposure
        • Representing Patient Tobacco Use (Smoking Status)
      • Units of Measure
        • Representing Units of Measure (For Use with Numerical References and Values)
      • Vital Signs
        • Representing Patient Vital Signs
      • Work Information
        • Representing Job, Usual Work, and Other Work Information
  • ISA Publications
    • 2025 ISA Reference Edition
    • Web Version as Single Page
  • Recent ISA Updates
  • USCDI Data Classes - All Levels
  • SVAP
  • About the Draft Federal FHIR® Action Plan
  • USCDI+
USCDI Data Element Leveling Criteria

ASTP evaluates all submissions and assigns a level based on four criteria.

  • Level 2 data elements are most mature and are considered for future versions of USCDI.
  • Level 1 and Level 0 determinations are used to identify areas of additional work needed to meet the criteria for a higher level and consideration for future versions of USCDI.

Submitters can provide updates with additional information to justify a higher level and consideration.

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Criterion #1

Maturity - Current Standards

Criterion #2

Maturity - Current Use

Criterion #3

Maturity - Current Exchange

Criterion #4

Use Case(s) - Breadth of Applicability

LEVEL 2
Data element is represented by a terminology standard or SDO-balloted technical specification or implementation guide.*
Data element is captured, stored, or accessed in multiple production EHRs or other HIT modules from more than one developer.
Data element is electronically exchanged between more than two production EHRs or other HIT modules of different developers using available interoperability standards.
Use cases apply to most care settings or specialties.
LEVEL 1
Data element is represented by a terminology standard or SDO-balloted technical specification or implementation guide.*
Data element is captured, stored, or accessed in at least one production EHR or HIT module.
Data element is electronically exchanged between two production EHRs or other HIT modules using available interoperability standards.    
Use cases apply to several care settings or specialties.
LEVEL 0
Data element is not represented by a terminology standard or SDO-balloted technical specification or implementation guide.
Data element is captured, stored, or accessed in limited settings such as a pilot or proof of concept demonstration.
Data element is electronically exchanged in limited environments, such as connectathons or pilots.
Use cases apply to a limited number of care settings or specialties, or data element represents a specialization of other, more general data elements.

*Maturity-Standard criterion is the same for Level 1 and Level 2. Data elements meeting this level of maturity will be assigned Level 2 for this criterion.

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