{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "AS4 Neurophysiology Codes",
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0396",
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    "valueString" : "ASTM’s diagnostic codes and test result coding/grading systems for clinical neurophysiology. See ASTM Specification E1467, Appendix 2."
  }, {
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    "code" : "status",
    "valueCode" : "A"
  } ],
  "codesystem" : "e39b54bc-250f-5dcb-bad5-a06bddcbf336",
  "concept_id" : "5182faaa-69df-5482-ab23-b2b12a6a61e3",
  "ancestors" : {
    "AS4E" : 0
  },
  "id" : "4880ecef-aaee-41dd-96df-b06f3c307849",
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  "display" : "AS4 Neurophysiology Codes",
  "version" : "4.1.0"
}