This value set includes codes based on the following rules:

• Include these codes as defined in http://loinc.org version 20200909

  Code	Display
  21612-7	Reported Patient Age
  11368-8	Illness Onset Date

• Include these codes as defined in urn:oid:2.16.840.1.114222.4.5.232 version 20200528

  Code	Display
  PHLIP01	Did the patient travel outside the U.S. within 10 days of illness onset?
  LAB517	Laboratory ID assigned to the isolate sent to the CDC
  TRAVEL05	Countries Traveled To
  PHLIP02	History of Culture Medium (Passage History)
  LAB330	Did the specimen come from an outpatient, inpatient or long-term care facility?
  LAB202	Unique Specimen ID
  LAB105	Test Method
  LAB515	Isolate sent to CDC?
  FLU001	Was the patient receiving influenza antiviral medication?
  FLU002	Was the patient vaccinated for influenza?
  LAB514	Outbreak Related

• Include these codes as defined in urn:oid:2.16.840.1.114222.4.5.288 version 1.33

  Code	Display
  PLT367	Did the pre-screening affect submission for further testing?
  PLT248	Identifier with assigning authority
  PLT366	If sample was pre-screened, what was the result?
  PLT249	Sample is related to program/study/event
  PLT365	Was sample pre-screened for Influenza virus?