This page is part of the HL7 Terminology (v1.0.0: Release) based on FHIR R4. The current version which supercedes this version is 5.2.0. For a full list of available versions, see the Directory of published versions
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<ValueSet xmlns="http://hl7.org/fhir"> <id value="v3-ActClassOverlayRoi"/> <language value="en"/> <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><h2>ActClassOverlayRoi</h2><div><p>A Region of Interest (ROI) specified for an image using an overlay shape. Typically used to make reference to specific regions in images, e.g., to specify the location of a radiologic finding in an image or to specify the site of a physical finding by "circling" a region in a schematic picture of a human body. The units of the coordinate values are in pixels. The origin is in the upper left hand corner, with positive X values going to the right and positive Y values going down. The relationship between a ROI and its referenced Act is specified through an ActRelationship of type "subject" (SUBJ), which must always be present.</p> </div><ul><li>Include codes from <a href="CodeSystem-v3-ActClass.html"><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></a> where concept is-a <a href="CodeSystem-v3-ActClass.html#v3-ActClass-ROIOVL">ROIOVL</a></li></ul></div> </text> <url value="http://terminology.hl7.org/ValueSet/v3-ActClassOverlayRoi"/> <identifier> <system value="urn:ietf:rfc:3986"/> <value value="urn:oid:2.16.840.1.113883.1.11.20243"/> </identifier> <version value="2.0.0"/> <name value="ActClassOverlayRoi"/> <title value="ActClassOverlayRoi"/> <status value="active"/> <date value="2014-03-26T00:00:00-04:00"/> <description value="A Region of Interest (ROI) specified for an image using an overlay shape. Typically used to make reference to specific regions in images, e.g., to specify the location of a radiologic finding in an image or to specify the site of a physical finding by "circling" a region in a schematic picture of a human body. The units of the coordinate values are in pixels. The origin is in the upper left hand corner, with positive X values going to the right and positive Y values going down. The relationship between a ROI and its referenced Act is specified through an ActRelationship of type "subject" (SUBJ), which must always be present."/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ActClass"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="ROIOVL"/> </filter> </include> </compose> </ValueSet>