When CMS introduced the -X{EPSU} modifiers in August 2014 to be used in specific instances to replace modifier -59 (distinct procedural service), the agency encouraged "rapid migration" to the new modifiers.
Mental health disorders are common in the United States, with an estimated 19% of Americans 18 or older suffering from a diagnosable mental disorder, according to a 2012 survey from the National Institute of Mental Health (NIMH).
Each year, the AMA updates the Vaccines, Toxoids section of the Medicine chapter in the CPT® Manual to add or revise descriptions of newly available products. In 2015, the AMA added two new product codes (90651, 90630) and revised four (90654, 90721, 90723, and 90734).
