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
  363779003	Genotyping
  45293001	IgG
  45764000	IgM
  77559007	Avidity
  9718006	PCR

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

  Code	Display
  OTH	other
  UNK	unknown

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

  Code	Display
  LAB511	Strain Identification