{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0506",
  "property" : [ ],
  "codesystem" : "3506bad0-e1b4-5110-9ba3-26aed5012a4e",
  "concept_id" : "7f9611e6-35aa-57d6-8768-f023d34719a1",
  "ancestors" : {
    "S" : 0
  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "A simultaneous order is 2 or more drugs which are ordered to be given at the same time.  A common example of this would be Demerol and Phenergan (Phenergan is given with the Demerol to control the nausea that Demerol can cause).  The order could be: Demerol 50 mg IM with Phenergan 25 mg IM q4h prn (every 4 hours as needed)."
  } ],
  "id" : "2674c157-46a0-4f0f-a941-12f7d47104e4",
  "code" : "S",
  "display" : "Simultaneous",
  "version" : "2.9"
}