H1N1 and Flu Vaccine Coding Made Easy The 2010 flu vaccine was selected by the US Food and Drug Administration (FDA) to contain three vaccines in one single shot which makes medical billing a breeze this season.  The FDA has determined that one single flu shot containing vaccines for the H1N1, H3N2 and B/Brisbane influenza viruses should be sufficient to ward off this coming season’s most common circulating viruses and to protect the community.  A single flu shot means a Continue Reading