{
  "description": "A coded concept listing the base codes.",
  "_filename": "CodeSystem-vision-base-codes.json",
  "package_name": "hl7.fhir.r6.core",
  "date": "2021-01-05T10:01:24+11:00",
  "meta": {
    "lastUpdated": "2026-09-10T16:50:24.161+10:00"
  },
  "publisher": "HL7 (FHIR Project)",
  "jurisdiction": [ {
    "coding": [ {
      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "display": "World"
    } ]
  } ],
  "content": "complete",
  "name": "VisionBase",
  "type": null,
  "experimental": "false",
  "resourceType": "CodeSystem",
  "title": "Vision Base",
  "package_version": "6.0.0-snapshot1",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "oo"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "normative"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 3
  } ],
  "status": "active",
  "id": "be7c67e3-b3c1-4acf-9423-49391043c93d",
  "valueSet": "http://hl7.org/fhir/ValueSet/vision-base-codes",
  "kind": null,
  "url": "http://hl7.org/fhir/vision-base-codes",
  "identifier": [ {
    "value": "urn:oid:2.16.840.1.113883.4.642.4.663",
    "system": "urn:ietf:rfc:3986"
  }, {
    "use": "old",
    "value": "urn:oid:2.16.840.1.113883.4.642.1.647",
    "system": "urn:ietf:rfc:3986"
  }, {
    "use": "old",
    "value": "urn:oid:2.16.840.1.113883.4.642.2.345",
    "system": "urn:ietf:rfc:3986"
  } ],
  "concept": [ {
    "code": "up",
    "display": "Up",
    "definition": "top."
  }, {
    "code": "down",
    "display": "Down",
    "definition": "bottom."
  }, {
    "code": "in",
    "display": "In",
    "definition": "inner edge."
  }, {
    "code": "out",
    "display": "Out",
    "definition": "outer edge."
  } ],
  "caseSensitive": true,
  "version": "6.0.0-snapshot1",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "url"
    }, {
      "value": "fhir@lists.hl7.org",
      "system": "email"
    } ]
  } ]
}