Forum - Questions & Answers
Oct 10th, 2016 - riccik3
modifer 59 vs 91
what is the correct usage of a modifier when 3 different antibodies are tested ( same CPT® and same DOS
Oct 11th, 2016 - mortgiesen 6
re: modifer 59 vs 91
When billing labs with the same code append modifier 91 and add units.
