# NDH Search Parameters - National Directory of Healthcare Providers & Services (NDH) Implementation Guide v2.0.0-current

## NDH Search Parameters

To facilitate efficient data retrieval and standardized querying from the NDH, a series of search parameters have been defined:

[EndpointAccessControlMechanismSearchParameter](SearchParameter-endpoint-access-control-mechanism.md)

Use this search parameter to find endpoints by access-control approach so clients can match expected authentication and authorization patterns. Applies to Endpoint records.

[EndpointDynamicRegistrationTrustProfileSearchParameter](SearchParameter-endpoint-dynamic-registration-trust-profile.md)

Use this search parameter to find endpoints that support dynamic trust-profile registration so onboarding can be automated and scalable. Applies to Endpoint records.

[EndpointIheConnectionTypeSearchParameter](SearchParameter-endpoint-ihe-connection-type.md)

Use this search parameter to find endpoints by detailed IHE-specific connection semantics when general connection types are not precise enough. Applies to Endpoint records.

[EndpointSecurityDetailsSearchParameter](SearchParameter-endpoint-security-details.md)

Use this search parameter to identify endpoints by trust framework so they can connect through compatible security and policy communities. Applies to Endpoint records.

[GroupServiceOfferedSearchParameter](SearchParameter-group-service-offered.md)

Use this search parameter to find Group records by services offered to identify groups that provide specific services. Applies to Group records.

[HealthcareServiceEligibilitySearchParameter](SearchParameter-healthcareservice-eligibility.md)

Use this search parameter to find HealthcareService records with the specified eligibility. Applies to HealthcareService records.

[HealthcareServiceLocationSearchParameter](SearchParameter-healthcareservice-location.md)

Use this search parameter to find HealthcareService records with the specified location. Applies to HealthcareService records.

[HealthcareServiceNetworkSearchParameter](SearchParameter-healthcareservice-network.md)

Use this search parameter to find records linked to specific networks to evaluate in-network participation and coverage pathways. Applies to HealthcareService records.

[HealthcareServiceNewPatientAndFromNetworkSearchParameter](SearchParameter-healthcareservice-new-patient-and-from-network.md)

Use this search parameter to find HealthcareService records with specified new-patient acceptance and network criteria. Applies to HealthcareService records.

[HealthcareServiceNewPatientFromNetworkSearchParameter](SearchParameter-healthcareservice-new-patient-from-network.md)

Use this search parameter to find where new-patient acceptance is tied to a specific network so coverage-based access can be evaluated. Applies to HealthcareService records.

[HealthcareServiceNewPatientSearchParameter](SearchParameter-healthcareservice-new-patient.md)

Use this search parameter to find where new patients are being accepted to identify available access points for care. Applies to HealthcareService records.

[HealthcareServiceOrganizationSearchParameter](SearchParameter-healthcareservice-organization.md)

Use this search parameter to find HealthcareService records with the specified organization. Applies to HealthcareService records.

[HealthcareServiceProgramRequirementAgeGroupSearchParameter](SearchParameter-healthcareservice-program-requirement-age-group.md)

Use this search parameter to find services or programs by age-group eligibility to match offerings to age-based participation needs. Applies to HealthcareService records.

[HealthcareServiceProgramRequirementBirthsexSearchParameter](SearchParameter-healthcareservice-program-requirement-birthsex.md)

Use this search parameter to find services or programs using birth-sex eligibility criteria to screen for population-specific participation rules. Applies to HealthcareService records.

[HealthcareServiceProgramRequirementEmploymentStatusSearchParameter](SearchParameter-healthcareservice-program-requirement-employment-status.md)

Use this search parameter to find services or programs by employment-status criteria to identify offerings aligned to employment-based eligibility. Applies to HealthcareService records.

[HealthcareServiceProgramRequirementInsuranceStatusSearchParameter](SearchParameter-healthcareservice-program-requirement-insurance-status.md)

Use this search parameter to find services or programs by insurance-status criteria to identify offerings aligned to coverage circumstances. Applies to HealthcareService records.

[HealthcareServiceProgramRequirementPreferredLanguageSearchParameter](SearchParameter-healthcareservice-program-requirement-preferred-language.md)

Use this search parameter to find services or programs by preferred-language criteria to locate linguistically appropriate options. Applies to HealthcareService records.

[HealthcareServiceProgramRequirementVaStatusSearchParameter](SearchParameter-healthcareservice-program-requirement-va-status.md)

Use this search parameter to find services or programs by veteran-status criteria to identify offerings intended for veteran populations. Applies to HealthcareService records.

[HealthcareServiceSocialServiceAgeGroupSearchParameter](SearchParameter-healthcareservice-social-service-age-group.md)

Use this search parameter to find services or programs by age-group eligibility to match offerings to age-based participation needs. Applies to HealthcareService records.

[HealthcareServiceSocialServiceBirthsexSearchParameter](SearchParameter-healthcareservice-social-service-birthsex.md)

Use this search parameter to find services or programs using birth-sex eligibility criteria to screen for population-specific participation rules. Applies to HealthcareService records.

[HealthcareServiceSocialServiceEmploymentStatusSearchParameter](SearchParameter-healthcareservice-social-service-employment-status.md)

Use this search parameter to find services or programs by employment-status criteria to identify offerings aligned to employment-based eligibility. Applies to HealthcareService records.

[HealthcareServiceSocialServiceInsuranceStatusSearchParameter](SearchParameter-healthcareservice-social-service-insurance-status.md)

Use this search parameter to find services or programs by insurance-status criteria to identify offerings aligned to coverage circumstances. Applies to HealthcareService records.

[HealthcareServiceSocialServicePreferredLanguageSearchParameter](SearchParameter-healthcareservice-social-service-preferred-language.md)

Use this search parameter to find services or programs by preferred-language criteria to locate linguistically appropriate options. Applies to HealthcareService records.

[HealthcareServiceSocialServiceVaStatusSearchParameter](SearchParameter-healthcareservice-social-service-va-status.md)

Use this search parameter to find services or programs by veteran-status criteria to identify offerings intended for veteran populations. Applies to HealthcareService records.

[InsuranceCoverageAreaSearchParameter](SearchParameter-insuranceplan-coverage-area.md)

Use this search parameter to find products that are offered in the specified location. Applies to InsurancePlan records.

[InsuranceplanCoverageBenefitTypeSearchParameter](SearchParameter-insuranceplan-coverage-benefit-type.md)

Use this search parameter to find products that are offered in the specified coverage benefit type. Applies to InsurancePlan records.

[InsuranceplanCoverageNetworkSearchParameter](SearchParameter-insuranceplan-coverage-network.md)

Use this search parameter to find products offering covered benefits through the specified coverage network. Applies to InsurancePlan records.

[InsuranceplanCoverageTypeSearchParameter](SearchParameter-insuranceplan-coverage-type.md)

Use this search parameter to find products that are offered in the specified coverage type. Applies to InsurancePlan records.

[InsuranceplanPlanNetworkSearchParameter](SearchParameter-insuranceplan-network.md)

Use this search parameter to find products that are offered in the specified network. Applies to InsurancePlan records.

[InsuranceplanPlanNetworkSearchParameter](SearchParameter-insuranceplan-plan-network.md)

Use this search parameter to find products that are offered in the specified plan network. Applies to InsurancePlan records.

[InsuranceplanPlanTypeSearchParameter](SearchParameter-insuranceplan-plan-type.md)

Use this search parameter to find products that are offered in the specified plan type. Applies to InsurancePlan records.

[LocationAccessibilitySearchParameter](SearchParameter-location-accessibility.md)

Use this search parameter to find locations by accessibility accommodations to locate sites that meet access-support needs. Applies to Location records.

[LocationContainsSearchParameter](SearchParameter-location-contains.md)

Use this search parameter to find locations by geographic containment to discover sites that serve or fall within a target area. Applies to Location records.

[NetworkCoverageAreaSearchParameter](SearchParameter-network-coverage-area.md)

Use this search parameter to find network records by coverage area to identify networks available in a specific location. Applies to Organization records.

[OrganizationAffiliationLocationSearchParameter](SearchParameter-organizationaffiliation-location.md)

Use this search parameter to find OrganizationAffiliation records with the specified location. Applies to OrganizationAffiliation records.

[OrganizationAffiliationParticipatingOrganizationSearchParameter](SearchParameter-organizationaffiliation-participating-organization.md)

Use this search parameter to find OrganizationAffiliation records with the specified participating organization. Applies to OrganizationAffiliation records.

[OrganizationAffiliationPrimaryOrganizationSearchParameter](SearchParameter-organizationaffiliation-primary-organization.md)

Use this search parameter to find OrganizationAffiliation records with the specified primary organization. Applies to OrganizationAffiliation records.

[PractitionerEndpointSearchParameter](SearchParameter-practitioner-endpoint.md)

Use this search parameter to find practitioners linked to technical endpoints to discover professionals available for electronic exchange. Applies to Practitioner records.

[PractitionerQualificationCodeSearchParameter](SearchParameter-practitioner-qualification-code.md)

Use this search parameter to find Practitioner records by qualification code. Applies to Practitioner records.

[PractitionerQualificationIssuerSearchParameter](SearchParameter-practitioner-qualification-issuer.md)

Use this search parameter to find Practitioner records by qualification issuer organization. Applies to Practitioner records.

[PractitionerroleLocationSearchParameter](SearchParameter-practitionerrole-location.md)

Use this search parameter to find PractitionerRole records by location. Applies to PractitionerRole records.

[PractitionerroleNetworkSearchParameter](SearchParameter-practitionerrole-network.md)

Use this search parameter to find records linked to specific networks to evaluate in-network participation and coverage pathways. Applies to PractitionerRole records.

[PractitionerroleNewPatientFromNetworkSearchParameter](SearchParameter-practitionerrole-new-patient-from-network.md)

Use this search parameter to find PractitionerRole records by new-patient acceptance from a specified network. Applies to PractitionerRole records.

[PractitionerroleNewPatientSearchParameter](SearchParameter-practitionerrole-new-patient.md)

Use this search parameter to find PractitionerRole records by new-patient acceptance. Applies to PractitionerRole records.

[PractitionerroleOrganizationSearchParameter](SearchParameter-practitionerrole-organization.md)

Use this search parameter to find PractitionerRole records by organization. Applies to PractitionerRole records.

[VerificationStatusSearchParameter](SearchParameter-verification-status.md)

Use this search parameter to find records by verification standing to prioritize trusted and current directory data. Applies to Endpoint, HealthcareService, Organization, Location, Practitioner, PractitionerRole, InsurancePlan, OrganizationAffiliation, and Group records.

[VerificationResultAttestationWhoSearchParameter](SearchParameter-verificationresult-attestation-who.md)

Use this search parameter to find validation information for data that was attested to by the specified individual or organization. Applies to VerificationResult records.

[VerificationResultPrimarysourceTypeSearchParameter](SearchParameter-verificationresult-primarysource-type.md)

Use this search parameter to find verification information for data that was verified against the specified primary source type. Applies to VerificationResult records.

[VerificationResultPrimarysourceValidationStatusSearchParameter](SearchParameter-verificationresult-primarysource-validation-status.md)

Use this search parameter to find verification information for data that was verified against the specified primary source validation status. Applies to VerificationResult records.

[VerificationResultPrimarysourceWhoSearchParameter](SearchParameter-verificationresult-primarysource-who.md)

Use this search parameter to find verification information for data that was verified against the specified primary source actor. Applies to VerificationResult records.

[VerificationResultStatusSearchParameter](SearchParameter-verificationresult-status.md)

Use this search parameter to find verification information for data that was verified against the specified status. Applies to VerificationResult records.

[VerificationResultTargetSearchParameter](SearchParameter-verificationresult-target.md)

Use this search parameter to find verification information for data that was verified against the specified target. Applies to VerificationResult records.