KIP Infrastructure
2.19.2 - release

This page is part of the KIP Infrastructure (v2.19.2: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions

CodeSystem: Raymond-Roy occlusion Classification (RROC), incl. modified classification (MRRC)

Official URL: https://kip.rkkp.dk/fhir/CodeSystem/RaymondRoyClassification Version: 2.19.2
Active as of 2022-06-29 Computable Name: RaymondRoyClassification

Raymond-Roy occlusion Classification (RROC), incl. modified classification (MRRC); Link: https://radiopaedia.org/articles/raymondroy-occlusion-classification-of-intracranial-aneurysms-1

This Code system is referenced in the content logical definition of the following value sets:

This code system https://kip.rkkp.dk/fhir/CodeSystem/RaymondRoyClassification defines the following codes in an undefined hierarchy:

LvlCodeDisplayDefinition
1 classi Class I Class I: Complete obliteration
1 classii Class II Class II: Residual neck
1 classiii Class III Class III: residual aneurysm (only in RROC)
2   classiiia Class IIIa Class IIIa: Contrast opacification within the coil interstices of a residual aneurysm (only in MRRC)
2   classiiib Class IIIb Class IIIb: contrast opacification outside the coil interstices, along the residual aneurysm wall (only in MRRC)