Release 4

Codesystem-safety-entries.xml

Vocabulary Work GroupMaturity Level: N/AStandards Status: Informative

Raw XML (canonical form + also see XML Format Specification)

Definition for Code System FHIRSafetyCheckListEntries

<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="safety-entries"/> 
  <meta> 
    <lastUpdated value="2020-02-21T16:30:01.046+00:00"/> 
  </meta> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      <h2> FHIR Safety CheckList Entries</h2> 
      <div> 
        <p> The 
          <a href="http://hl7.org/fhir/safety.html">check list items</a>  defined as part of the FHIR specification.
        </p> 

      </div> 
      <p> This code system http://hl7.org/fhir/safety-entries defines the following codes:</p> 
      <table class="codes">
        <tr> 
          <td style="white-space:nowrap">
            <b> Code</b> 
          </td> 
          <td> 
            <b> Definition</b> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">life-cycle
            <a name="safety-entries-life-cycle"> </a> 
          </td> 
          <td> 
            <div> 
              <p> For each resource that my system handles, my system handles the full 
                <a href="lifecycle.html">Life cycle</a>  (status codes, currency issues, and erroneous entry status)
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">modifiers
            <a name="safety-entries-modifiers"> </a> 
          </td> 
          <td> 
            <div> 
              <p> For each resource that my system handles, I've reviewed the 
                <a href="conformance-rules.html#isModifier">Modifier elements</a> 
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">modifier-extensions
            <a name="safety-entries-modifier-extensions"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system checks for 
                <a href="extensibility.html#modifierExtension">modifierExtension</a>  elements
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">must-support
            <a name="safety-entries-must-support"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system supports 
                <a href="conformance-rules.html#mustSupport">elements labeled as 'MustSupport'</a>  in the 
                <a href="profiling.html">profiles</a>  that apply to my system
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">identity
            <a name="safety-entries-identity"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system has documented how 
                <a href="managing.html#distributed">distributed resource identification</a>  works in its relevant contexts of use, and where (and why) 
                <a href="references.html#contained">contained</a>  resources are used
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">current
            <a name="safety-entries-current"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system manages lists of 
                <a href="lifecycle.html#current">current resources</a>  correctly
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">error-checks
            <a name="safety-entries-error-checks"> </a> 
          </td> 
          <td> 
            <div> 
              <p> When other systems 
                <a href="http.html#summary">return http errors from the RESTful API</a>  and 
                <a href="operations.html">Operations</a>  (perhaps using 
                <a href="operationoutcome.html">Operation Outcome</a> ), my system checks for them and handles them appropriately
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">link-merge
            <a name="safety-entries-link-merge"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system ensures checks for patient links (and/or merges) and handles data that is linked
                 to patients accordingly</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">cs-declare
            <a name="safety-entries-cs-declare"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system publishes a 
                <a href="capabilitystatement.html">Capability Statement</a>  with 
                <a href="structuredefinition.html">StructureDefinitions</a> , 
                <a href="valueset.html">ValueSets</a> , and 
                <a href="operationdefinition.html">OperationDefinitions</a> , etc., so other implementers know how the system functions
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">valid-checked
            <a name="safety-entries-valid-checked"> </a> 
          </td> 
          <td> 
            <div> 
              <p> All resources in use are 
                <a href="validation.html">valid</a>  against the base specification and the 
                <a href="profiling.html">profiles</a>  that apply to my system (see note about the 
                <a href="validation.html#correct-use">correct run-time use of validation</a> )
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">obs-focus
            <a name="safety-entries-obs-focus"> </a> 
          </td> 
          <td> 
            <div> 
              <p> I've reviewed the 
                <a href="observation.html">Observation</a>  resource, and understand how 
                <code> focus</code>  is a mechanism for observations to be about someone or something other than the patient
                 or subject of record.
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">time-zone
            <a name="safety-entries-time-zone"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system checks for time zones and adjusts times appropriately. (note: time zones are
                 extremely difficult to get correct - see 
                <a href="https://www.w3.org/TR/timezone/">W3C Timezone Advice</a> , and note that some fields should be timezone corrected, and others should not be)
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">date-rendering
            <a name="safety-entries-date-rendering"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system renders dates safely for changes in culture and language (the date formats D-M-Y
                 and M-D-Y are not differentiated for many dates, and this is a well-known source of confusion.
                 Systems should use the month name, or otherwise be specific for each date when rendering,
                 unless there is solid confidence that such confusion cannot arise, even in the future
                 when information/narrative from resources will be shared much more widely)</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">cross-resource
            <a name="safety-entries-cross-resource"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system takes care to ensure that clients can (for servers) or will (for clients) find
                 the information they need when content that might reasonably be exposed using more than
                 one FHIR resource. Possible patterns: Support a single search across the applicable resources,
                 or expose data through each applicable resource. See discussion on 
                <a href="https://confluence.hl7.org/display/FHIR/Managing+Overlap+Between+Resources">Wiki Page</a>  for further information
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">display-warnings
            <a name="safety-entries-display-warnings"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system will display warnings returned by the server to the user</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">search-parameters
            <a name="safety-entries-search-parameters"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system checks whether the server processed all the requested search parameter, and
                 is safe if servers ignore parameters (typically, either filters locally or warns the user)</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">missing-values
            <a name="safety-entries-missing-values"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system caters for 
                <a href="search.html#missing">parameters that have missing values</a>  when doing search operations, and responds correctly to the client with regard to 
                <a href="search.html#errors">erroneous search parameters</a> 
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">default-filters
            <a name="safety-entries-default-filters"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system includes appropriate default filters when searching based on patient context
                 - e.g. filtering out entered-in-error records, filtering to only include active, living
                 patients if appropriate, and clearly documents these (preferably including them in the
                 self link for a search</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">deletion-check
            <a name="safety-entries-deletion-check"> </a> 
          </td> 
          <td> 
            <div> 
              <p> For each resource, I have checked whether resources can be deleted, and/or how records
                 are marked as incorrect/no longer relevant</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">deletion-replication
            <a name="safety-entries-deletion-replication"> </a> 
          </td> 
          <td> 
            <div> 
              <p> Deletion of records (or equivalent updates in status) flow through the system so any replicated
                 copies are deleted/updated</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">deletion-support
            <a name="safety-entries-deletion-support"> </a> 
          </td> 
          <td> 
            <div> 
              <p> (If a server) my documentation about deleted resources is clear, and my test sandbox (if
                 exists) has deleted/error record cases in the test data</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">check-consent
            <a name="safety-entries-check-consent"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system checks that the right 
                <a href="consent.html">Patient consent</a>  has been granted (where applicable)
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">distribute-aod
            <a name="safety-entries-distribute-aod"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system sends an 
                <a href="secpriv-module.html#AoD">Accounting of Disclosure</a>  to the consenter as requested when permitted actions on resources are performed using
                 an 
                <a href="auditevent.html">AuditEvent</a>  Resource
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">check-clocks
            <a name="safety-entries-check-clocks"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system ensures that system clocks are synchronized using a protocol like NTP or SNTP,
                 or my server is robust against clients that have the wrong clock set</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">check-dns-responses
            <a name="safety-entries-check-dns-responses"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system uses security methods for an API to authenticate where Domain Name System (DNS)
                 responses are coming from and ensure that they are valid</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">use-encryption
            <a name="safety-entries-use-encryption"> </a> 
          </td> 
          <td> 
            <div> 
              <p> Production exchange of patient or other sensitive data will always use some form of 
                <a href="security.html#http">encryption on the wire</a> 
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">use-tls
            <a name="safety-entries-use-tls"> </a> 
          </td> 
          <td> 
            <div> 
              <p> Where resources are exchanged using 
                <a href="security.html#http">HTTP</a> , 
                <a href="https://en.wikipedia.org/wiki/Transport_Layer_Security">TLS</a>  should be utilized to protect the communications channel
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">use-smime
            <a name="safety-entries-use-smime"> </a> 
          </td> 
          <td> 
            <div> 
              <p> Where resources are exchanged using email, 
                <a href="https://en.wikipedia.org/wiki/S/MIME">S/MIME</a>  should be used to protect the end-to-end communication
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">use-tls-per-bcp195
            <a name="safety-entries-use-tls-per-bcp195"> </a> 
          </td> 
          <td> 
            <div> 
              <p> Production exchange should utilize recommendations for 
                <a href="https://tools.ietf.org/html/bcp195">Best-Current-Practice on TLS in BCP 195</a> 
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">use-ouath
            <a name="safety-entries-use-ouath"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system utilizes a risk and use case 
                <a href="security.html#oauth">appropriate OAuth profile</a>  (preferably 
                <a href="http://hl7.org/fhir/smart-app-launch">Smart App Launch</a> ), with a 
                <a href="security.html#authentication">clear policy on authentication strength</a> 
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">use-openidconnect
            <a name="safety-entries-use-openidconnect"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system uses 
                <a href="https://openid.net/connect/">OpenID Connect</a>  (or other suitable authentication protocol) to verify identity of end user, where it
                 is necessary that end-users be identified to the client application, and has a clear policy
                 on 
                <a href="secpriv-module.html#user">identity proofing</a> 
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">use-rbac
            <a name="safety-entries-use-rbac"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system applies appropriate access control to every request, using a combination of
                 requester’s clearance (ABAC) and/or roles (RBAC)</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">use-labels
            <a name="safety-entries-use-labels"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system considers 
                <a href="security-labels.html">security labels</a>  on the affected resources when making access control decisions
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">render-narratives
            <a name="safety-entries-render-narratives"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system can 
                <a href="narrative.html#css">render narratives properly</a>  and 
                <a href="security.html#narrative">securely</a> (where they are used)
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">check=validation
            <a name="safety-entries-check.61validation"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system 
                <a href="validation.html">validates all input received</a>  (whether in resource format or other) from other actors so that it data is well-formed
                 and does not contain content that would cause unwanted system behavior
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">use-provenance
            <a name="safety-entries-use-provenance"> </a> 
          </td> 
          <td> 
            <div> 
              <p> My system makes the right 
                <a href="provenance.html">Provenance</a>  statements and 
                <a href="auditevent.html">AuditEvent</a>  logs, and uses the right 
                <a href="security-labels.html#core">security labels</a>  where appropriate
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">enable-cors
            <a name="safety-entries-enable-cors"> </a> 
          </td> 
          <td> 
            <div> 
              <p> Server: CORS (
                <a href="http://enable-cors.org/">cross-origin resource sharing</a> ) is appropriately enabled (many clients are Javascript apps running in a browser)
              </p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">use-json
            <a name="safety-entries-use-json"> </a> 
          </td> 
          <td> 
            <div> 
              <p> JSON is supported (many clients are Javascript apps running in a browser; XML is inconvenient
                 at best)</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">json-for-errors
            <a name="safety-entries-json-for-errors"> </a> 
          </td> 
          <td> 
            <div> 
              <p> JSON is returned correctly when errors happen (clients often don't handle HTML errors
                 well)</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">use-format-header
            <a name="safety-entries-use-format-header"> </a> 
          </td> 
          <td> 
            <div> 
              <p> The _format header is supported correctly</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">use-operation-outcome
            <a name="safety-entries-use-operation-outcome"> </a> 
          </td> 
          <td> 
            <div> 
              <p> Errors are trapped and an OperationOutcome returned</p> 

            </div> 
          </td> 
        </tr> 
      </table> 
    </div> 
  </text> 
  <extension url="http://hl7.org/fhir/StructureDefinition/codesystem-use-markdown">
    <valueBoolean value="true"/> 
  </extension> 
  <url value="http://hl7.org/fhir/safety-entries"/> 
  <version value="4.2.0"/> 
  <name value="FHIRSafetyCheckListEntries"/> 
  <title value="FHIR Safety CheckList Entries"/> 
  <status value="draft"/> 
  <publisher value="FHIR Project"/> 
  <description value="The [check list items](http://hl7.org/fhir/safety.html) defined as part of the FHIR specification."/> 
  <caseSensitive value="true"/> 
  <valueSet value="http://hl7.org/fhir/ValueSet/safety-entries"/> 
  <hierarchyMeaning value="is-a"/> 
  <content value="complete"/> 
  <concept> 
    <code value="life-cycle"/> 
    <definition value="For each resource that my system handles, my system handles the full [Life cycle](lifecycle.html)
     (status codes, currency issues, and erroneous entry status)"/> 
  </concept> 
  <concept> 
    <code value="modifiers"/> 
    <definition value="For each resource that my system handles, I've reviewed the [Modifier elements](conformance-rules.ht
    ml#isModifier)"/> 
  </concept> 
  <concept> 
    <code value="modifier-extensions"/> 
    <definition value="My system checks for [modifierExtension](extensibility.html#modifierExtension) elements"/> 
  </concept> 
  <concept> 
    <code value="must-support"/> 
    <definition value="My system supports [elements labeled as 'MustSupport'](conformance-rules.html#mustSupport)
     in the [profiles](profiling.html) that apply to my system"/> 
  </concept> 
  <concept> 
    <code value="identity"/> 
    <definition value="My system has documented how [distributed resource identification](managing.html#distributed)
     works in its relevant contexts of use, and where (and why) [contained](references.html#contained)
     resources are used"/> 
  </concept> 
  <concept> 
    <code value="current"/> 
    <definition value="My system manages lists of [current resources](lifecycle.html#current) correctly"/> 
  </concept> 
  <concept> 
    <code value="error-checks"/> 
    <definition value="When other systems [return http errors from the RESTful API](http.html#summary) and [Operations](ope
    rations.html) (perhaps using [Operation Outcome](operationoutcome.html)), my system checks
     for them and handles them appropriately "/> 
  </concept> 
  <concept> 
    <code value="link-merge"/> 
    <definition value="My system ensures checks for patient links (and/or merges) and handles data that is linked
     to patients accordingly"/> 
  </concept> 
  <concept> 
    <code value="cs-declare"/> 
    <definition value="My system publishes a [Capability Statement](capabilitystatement.html) with [StructureDefinitions](s
    tructuredefinition.html), [ValueSets](valueset.html), and [OperationDefinitions](operationdefinition.
    html), etc., so other implementers know how the system functions"/> 
  </concept> 
  <concept> 
    <code value="valid-checked"/> 
    <definition value="All resources in use are [valid](validation.html) against the base specification and the
     [profiles](profiling.html) that apply to my system (see note about the [correct run-time
     use of validation](validation.html#correct-use))"/> 
  </concept> 
  <concept> 
    <code value="obs-focus"/> 
    <definition value="I've reviewed the [Observation](observation.html) resource, and understand how ```focus```
     is a mechanism for observations to be about someone or something other than the patient
     or subject of record."/> 
  </concept> 
  <concept> 
    <code value="time-zone"/> 
    <definition value="My system checks for time zones and adjusts times appropriately. (note: time zones are
     extremely difficult to get correct - see [W3C Timezone Advice](https://www.w3.org/TR/timezone/),
     and note that some fields should be timezone corrected, and others should not be)"/> 
  </concept> 
  <concept> 
    <code value="date-rendering"/> 
    <definition value="My system renders dates safely for changes in culture and language (the date formats D-M-Y
     and M-D-Y are not differentiated for many dates, and this is a well-known source of confusion.
     Systems should use the month name, or otherwise be specific for each date when rendering,
     unless there is solid confidence that such confusion cannot arise, even in the future
     when information/narrative from resources will be shared much more widely)"/> 
  </concept> 
  <concept> 
    <code value="cross-resource"/> 
    <definition value="My system takes care to ensure that clients can (for servers) or will (for clients) find
     the information they need when content that might reasonably be exposed using more than
     one FHIR resource. Possible patterns: Support a single search across the applicable resources,
     or expose data through each applicable resource. See discussion on [Wiki Page](https://confluence.hl
    7.org/display/FHIR/Managing+Overlap+Between+Resources) for further information"/> 
  </concept> 
  <concept> 
    <code value="display-warnings"/> 
    <definition value="My system will display warnings returned by the server to the user"/> 
  </concept> 
  <concept> 
    <code value="search-parameters"/> 
    <definition value="My system checks whether the server processed all the requested search parameter, and
     is safe if servers ignore parameters (typically, either filters locally or warns the user)"/> 
  </concept> 
  <concept> 
    <code value="missing-values"/> 
    <definition value="My system caters for [parameters that have missing values](search.html#missing) when doing
     search operations, and responds correctly to the client with regard to [erroneous search
     parameters](search.html#errors)"/> 
  </concept> 
  <concept> 
    <code value="default-filters"/> 
    <definition value="My system includes appropriate default filters when searching based on patient context
     - e.g. filtering out entered-in-error records, filtering to only include active, living
     patients if appropriate, and clearly documents these (preferably including them in the
     self link for a search"/> 
  </concept> 
  <concept> 
    <code value="deletion-check"/> 
    <definition value="For each resource, I have checked whether resources can be deleted, and/or how records
     are marked as incorrect/no longer relevant"/> 
  </concept> 
  <concept> 
    <code value="deletion-replication"/> 
    <definition value="Deletion of records (or equivalent updates in status) flow through the system so any replicated
     copies are deleted/updated"/> 
  </concept> 
  <concept> 
    <code value="deletion-support"/> 
    <definition value="(If a server) my documentation about deleted resources is clear, and my test sandbox (if
     exists) has deleted/error record cases in the test data"/> 
  </concept> 
  <concept> 
    <code value="check-consent"/> 
    <definition value="My system checks that the right [Patient consent](consent.html) has been granted (where
     applicable)"/> 
  </concept> 
  <concept> 
    <code value="distribute-aod"/> 
    <definition value="My system sends an [Accounting of Disclosure](secpriv-module.html#AoD) to the consenter
     as requested when permitted actions on resources are performed using an [AuditEvent](auditevent.html
    ) Resource"/> 
  </concept> 
  <concept> 
    <code value="check-clocks"/> 
    <definition value="My system ensures that system clocks are synchronized using a protocol like NTP or SNTP,
     or my server is robust against clients that have the wrong clock set"/> 
  </concept> 
  <concept> 
    <code value="check-dns-responses"/> 
    <definition value="My system uses security methods for an API to authenticate where Domain Name System (DNS)
     responses are coming from and ensure that they are valid"/> 
  </concept> 
  <concept> 
    <code value="use-encryption"/> 
    <definition value="Production exchange of patient or other sensitive data will always use some form of [encryption
     on the wire](security.html#http)"/> 
  </concept> 
  <concept> 
    <code value="use-tls"/> 
    <definition value="Where resources are exchanged using [HTTP](security.html#http), [TLS](https://en.wikipedia.org/wiki/
    Transport_Layer_Security) should be utilized to protect the communications channel"/> 
  </concept> 
  <concept> 
    <code value="use-smime"/> 
    <definition value="Where resources are exchanged using email, [S/MIME](https://en.wikipedia.org/wiki/S/MIME)
     should be used to protect the end-to-end communication"/> 
  </concept> 
  <concept> 
    <code value="use-tls-per-bcp195"/> 
    <definition value="Production exchange should utilize recommendations for [Best-Current-Practice on TLS in
     BCP 195](https://tools.ietf.org/html/bcp195)"/> 
  </concept> 
  <concept> 
    <code value="use-ouath"/> 
    <definition value="My system utilizes a risk and use case [appropriate OAuth profile](security.html#oauth)
     (preferably [Smart App Launch](http://hl7.org/fhir/smart-app-launch)), with a [clear policy
     on authentication strength](security.html#authentication)"/> 
  </concept> 
  <concept> 
    <code value="use-openidconnect"/> 
    <definition value="My system uses [OpenID Connect](https://openid.net/connect/) (or other suitable authentication
     protocol) to verify identity of end user, where it is necessary that end-users be identified
     to the client application, and has a clear policy on [identity proofing](secpriv-module.html#user)"/> 
  </concept> 
  <concept> 
    <code value="use-rbac"/> 
    <definition value="My system applies appropriate access control to every request, using a combination of
     requester’s clearance (ABAC) and/or roles (RBAC)"/> 
  </concept> 
  <concept> 
    <code value="use-labels"/> 
    <definition value="My system considers [security labels](security-labels.html) on the affected resources
     when making access control decisions "/> 
  </concept> 
  <concept> 
    <code value="render-narratives"/> 
    <definition value="My system can [render narratives properly](narrative.html#css) and [securely](security.html#narrativ
    e)(where they are used)"/> 
  </concept> 
  <concept> 
    <code value="check=validation"/> 
    <definition value="My system [validates all input received](validation.html) (whether in resource format
     or other) from other actors so that it data is well-formed and does not contain content
     that would cause unwanted system behavior"/> 
  </concept> 
  <concept> 
    <code value="use-provenance"/> 
    <definition value="My system makes the right [Provenance](provenance.html) statements and [AuditEvent](auditevent.html)
     logs, and uses the right [security labels](security-labels.html#core) where appropriate"/> 
  </concept> 
  <concept> 
    <code value="enable-cors"/> 
    <definition value="Server: CORS ([cross-origin resource sharing](http://enable-cors.org/)) is appropriately
     enabled (many clients are Javascript apps running in a browser)"/> 
  </concept> 
  <concept> 
    <code value="use-json"/> 
    <definition value="JSON is supported (many clients are Javascript apps running in a browser; XML is inconvenient
     at best)"/> 
  </concept> 
  <concept> 
    <code value="json-for-errors"/> 
    <definition value="JSON is returned correctly when errors happen (clients often don't handle HTML errors
     well)"/> 
  </concept> 
  <concept> 
    <code value="use-format-header"/> 
    <definition value="The _format header is supported correctly"/> 
  </concept> 
  <concept> 
    <code value="use-operation-outcome"/> 
    <definition value="Errors are trapped and an OperationOutcome returned"/> 
  </concept> 
</CodeSystem> 

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.