This value set includes codes from the following code systems:
SNOMED_CT where concept In 999000811000001105SNOMED_CT where concept In 12465201000001105SNOMED_CT where concept In 999000831000001104SNOMED_CT where concept In 999000841000001106SNOMED_CT where concept In 999000821000001101v3 Code System NullFlavor where concept Equal NAVUv3 Code System NullFlavor where concept Equal UNCv3 Code System NullFlavor where concept Equal UNKv3 Code System NullFlavor where concept Equal NA