Adding OBX-8 (Abnormal Flags)
Adding OBX-8 (Abnormal Flags)

Signed-off-by: Mark Guzman <fb903af58aae6908aa46c41feab53b830a459d4a@hasno.info>
segfault/ruby-hl7,jordanhiltunen/ruby-hl7,doctolib/ruby-hl7,jayjlawrence/ruby-hl7,onemedical/ruby-hl7,ruby-hl7/ruby-hl7,Strive-Labs/ruby-hl7,limeboy/ruby-hl7,mitch-lindsay/ruby-hl7