<status value="draft"/> <experimental value="true"/> <date value="2026-10-03T11:30:42+02:00"/> <publisher value="cognovis GmbH"/> <contact> <name value="cognovis GmbH"/> <telecom> <system value="url"/> <value value="https://www.cognovis.de"/> </telecom> <telecom> <system value="email"/> <value value="info@cognovis.de"/> </telecom> </contact> <description value="Reference-only canonical metadata for the Ørstavik periapical index. The underlying expressions are not distributed in Dental Core."/> <copyright value="Reference-only FHIR metadata. Clinical source: Ørstavik D, Kerekes K, Eriksen HM. The periapical index: a scoring system for radiographic assessment of apical periodontitis. Endod Dent Traumatol. 1986;2(1):20-34, PMID 3457698, DOI 10.1111/j.1600-9657.1986.tb00119.x."/> <caseSensitive value="true"/> <content value="not-present"/> </CodeSystem>

Generated Narrative: CodeSystem pai-orstavik-1986

This case-sensitive code system https://fhir.cognovis.de/dental-core/CodeSystem/pai-orstavik-1986 defines codes, but no codes are represented here