Comment Type

Code	Description	Comment	Version
1R	Primary Reason		added v2.3.1
2R	Secondary Reason		added v2.3.1
AI	Ancillary Instructions		added v2.3.1
DR	Duplicate/Interaction Reason		added v2.3.1
GI	General Instructions		added v2.3.1
GR	General Reason		added v2.3.1
PI	Patient Instructions		added v2.3.1
RE	Remark		added v2.3.1