{
  "description": "The type of coordinates describing a 2D image region.",
  "_filename": "CodeSystem-imagingselection-2dgraphictype.json",
  "package_name": "hl7.fhir.r6.core",
  "date": "2024-12-30",
  "meta": {
    "lastUpdated": "2026-07-17T18:22:54.721+11:00"
  },
  "publisher": "HL7 (FHIR Project)",
  "jurisdiction": [ {
    "coding": [ {
      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "display": "World"
    } ]
  } ],
  "content": "complete",
  "name": "ImagingSelection2DGraphicType",
  "type": null,
  "experimental": "false",
  "resourceType": "CodeSystem",
  "title": "Imaging Selection 2D Graphic Type",
  "package_version": "6.0.0-ballot5",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "ii"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "normative"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 6
  } ],
  "status": "active",
  "id": "b89c4316-a40e-4d56-860e-dcacc2ebc367",
  "valueSet": "http://hl7.org/fhir/ValueSet/imagingselection-2dgraphictype",
  "kind": null,
  "url": "http://hl7.org/fhir/imagingselection-2dgraphictype",
  "identifier": [ {
    "value": "urn:oid:2.16.840.1.113883.4.642.4.1984",
    "system": "urn:ietf:rfc:3986"
  } ],
  "concept": [ {
    "code": "point",
    "display": "POINT",
    "definition": "A single location denoted by a single (x,y) pair."
  }, {
    "code": "polyline",
    "display": "POLYLINE",
    "definition": "A series of connected line segments with ordered vertices denoted by (x,y) triplets; if the first and last vertices are the same it is a closed polygon."
  }, {
    "code": "multipoint",
    "display": "MULTIPOINT",
    "definition": "Multiple pixels each denoted by a (x,y) pair."
  }, {
    "code": "circle",
    "display": "CIRCLE",
    "definition": "Two points shall be present; the first point is to be interpreted as the center and the second point as a point on the circumference of a circle, some form of implementation dependent representation of which is to be drawn."
  }, {
    "code": "ellipse",
    "display": "ELLIPSE",
    "definition": "An ellipse defined by four (x,y) pairs, the first two pairs specifying the endpoints of the major axis and the second two pairs specifying the endpoints of the minor axis."
  }, {
    "code": "unknown",
    "display": "UNKNOWN",
    "definition": "used only when none of the other values apply."
  } ],
  "caseSensitive": true,
  "version": "6.0.0-ballot5",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "url"
    }, {
      "value": "fhir@lists.hl7.org",
      "system": "email"
    } ]
  } ]
}