A coworker of mine has run into a problem with United Heathcare. THey are telling her to use modifier 76 or 77 on her pathology codes 88300 - 88309 instead of modifier 59 if there is more than one done on a day - which happens frequently. I wasnt sure if this was correct as its not 2 doctors looking at the same specimen, it is the same procedure done on different specimens. Does anyone know that could give us some advice??