<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="imagingselection-2dgraphictype"/><meta><lastUpdated value="2026-03-17T09:59:53.445+11:00"/></meta><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem imagingselection-2dgraphictype</b></p><a name="imagingselection-2dgraphictype"> </a><a name="hcimagingselection-2dgraphictype"> </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: 2021-01-05T10:01:24.148+11:00</p></div><p>This case-sensitive code system <code>http://hl7.org/fhir/imagingselection-2dgraphictype</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">point<a name="imagingselection-2dgraphictype-point"> </a></td><td>POINT</td><td>A single location denoted by a single (x,y) pair.</td></tr><tr><td style="white-space:nowrap">polyline<a name="imagingselection-2dgraphictype-polyline"> </a></td><td>POLYLINE</td><td>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.</td></tr><tr><td style="white-space:nowrap">multipoint<a name="imagingselection-2dgraphictype-multipoint"> </a></td><td>MULTIPOINT</td><td>Multiple pixels each denoted by a (x,y) pair.</td></tr><tr><td style="white-space:nowrap">circle<a name="imagingselection-2dgraphictype-circle"> </a></td><td>CIRCLE</td><td>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.</td></tr><tr><td style="white-space:nowrap">ellipse<a name="imagingselection-2dgraphictype-ellipse"> </a></td><td>ELLIPSE</td><td>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.</td></tr></table></div></text><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="ii"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"><valueCode value="normative"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"><valueInteger value="6"/></extension><url value="http://hl7.org/fhir/imagingselection-2dgraphictype"/><identifier><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.4.1984"/></identifier><version value="6.0.0-ballot4"/><name value="ImagingSelection2DGraphicType"/><title value="Imaging Selection 2D Graphic Type"/><status value="active"/><experimental value="false"/><date value="2024-12-30"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="The type of coordinates describing a 2D image region."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/imagingselection-2dgraphictype"/><content value="complete"/><concept><code value="point"/><display value="POINT"/><definition value="A single location denoted by a single (x,y) pair."/></concept><concept><code value="polyline"/><display value="POLYLINE"/><definition value="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."/></concept><concept><code value="multipoint"/><display value="MULTIPOINT"/><definition value="Multiple pixels each denoted by a (x,y) pair."/></concept><concept><code value="circle"/><display value="CIRCLE"/><definition value="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."/></concept><concept><code value="ellipse"/><display value="ELLIPSE"/><definition value="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."/></concept></CodeSystem>