Ambulatory Payment Classification (APC) Group Description
Level II Noninvasive Physiologic Studies
Level II Extended EEG, Sleep, and Cardiovascular Studies
Level I Diagnostic and Screening Ultrasound
Level III Diagnostic and Screening Ultrasound
Level II Echocardiogram Without Contrast
Level III Echocardiogram Without Contrast
Magnetic Resonance Imaging and Magnetic Resonance Angiography without Contrast