MatchGrade

{
  "description" : "A Master Patient Index (MPI) assessment of whether a candidate patient record is a match or not.",
  "date" : "2026-03-05",
  "meta" : {
    "lastUpdated" : "2020-04-09T21:10:28.568+00:00"
  },
  "publisher" : "Health Level Seven International",
  "content" : "complete",
  "property" : null,
  "name" : "MatchGrade",
  "copyright" : "This material derives from the HL7 Terminology (THO). THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license.html",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "MatchGrade",
  "extension" : [ {
    "extension" : [ {
      "valueString" : "concept",
      "url" : "path"
    }, {
      "url" : "count",
      "valueInteger" : 4
    } ],
    "url" : "http://health-samurai.io/extensions/excised-data"
  }, {
    "url" : "http://health-samurai.io/extensions/source",
    "valueCode" : "db"
  } ],
  "status" : "active",
  "language" : "en",
  "id" : "match-grade",
  "valueSet" : "http://terminology.hl7.org/ValueSet/match-grade",
  "url" : "http://terminology.hl7.org/CodeSystem/match-grade",
  "identifier" : [ {
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.1.1289"
  } ],
  "caseSensitive" : true,
  "version" : "2.0.0",
  "contact" : [ {
    "telecom" : [ {
      "system" : "url",
      "value" : "http://hl7.org"
    }, {
      "system" : "email",
      "value" : "hq@HL7.org"
    } ]
  } ],
  "text" : {
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem match-grade</b></p><a name=\"match-grade\"> </a><a name=\"hcmatch-grade\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Last updated: 2020-04-09 21:10:28+0000; Language: en</p></div><p>This case-sensitive code system <code>http://terminology.hl7.org/CodeSystem/match-grade</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">certain<a name=\"match-grade-certain\"> </a></td><td>Certain Match</td><td>This record meets the matching criteria to be automatically considered as a full match.</td></tr><tr><td style=\"white-space:nowrap\">probable<a name=\"match-grade-probable\"> </a></td><td>Probable Match</td><td>This record is a close match, but not a certain match. Additional review (e.g. by a human) may be required before using this as a match.</td></tr><tr><td style=\"white-space:nowrap\">possible<a name=\"match-grade-possible\"> </a></td><td>Possible Match</td><td>This record may be a matching one. Additional review (e.g. by a human) SHOULD be performed before using this as a match.</td></tr><tr><td style=\"white-space:nowrap\">certainly-not<a name=\"match-grade-certainly-not\"> </a></td><td>Certainly Not a Match</td><td>This record is known not to be a match. Note that usually non-matching records are not returned, but in some cases records previously or likely considered as a match may specifically be negated by the matching engine.</td></tr></table></div>",
    "status" : "generated"
  }
}