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
  415607008	1
  419527005	2
  103497003	3
  415616007	4
  419871001	5
  443156004	6A
  418902003	6B
  103499000	7F
  418759005	8
  103500009	9N
  418322006	9V
  415608003	10A
  419071000	11A
  419305002	12F
  103498008	14
  415610001	15B
  420138009	17F
  418451009	18C
  415611002	19A
  419915004	19F
  415612009	20
  420216004	22F
  418217008	23F
  420148006	33F
  385660001	Not tested

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

  Code	Display
  PHC1610	Non-typeable

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

  Code	Display
  OTH	other (specify)
  UNK	unknown