This value set includes codes based on the following rules:

• Include these codes as defined in http://snomed.info/sct version http://snomed.info/sct/731000124108/version/20200901

  Code	Display
  67782005	Acute Respiratory Disease Syndrome (ARDS)
  4120002	Bronchiolitis
  71186008	Croup
  74351001	Reye syndrome
  91175000	Seizures
  27942005	Shock
  91302008	Sepsis

• Include these codes as defined in urn:oid:2.16.840.1.114222.4.5.274 version 20200526

  Code	Display
  PHC832	Another viral co-infection
  PHC831	Encephalopathy/encephalitis
  PHC830	Pneumonia (Chest X-Ray confirmed)

• Include these codes as defined in http://terminology.hl7.org/CodeSystem/v3-NullFlavor version 20090501

  Code	Display
  OTH	Other