Term: Modality
Last Updated: 2007-09-26
A classification system used to group physician services tariffs into one of 7 different types of diagnostic imaging: angiography, computed tomography (CT), general x-ray, mammography, magnetic resonance imaging (MRI), nuclear medicine and ultrasound. Mammography may be disaggregated into screening mammography and diagnostic mammography; MRI may be disaggregated into pediatric MRI and adult MRI; and ultrasound may be disaggregated into obstetric ultrasound and non-obstetric ultrasound.