Diagnostic Mammogram cpt code for bilateral – 77056 Diagnostic Mammogram cpt code for unilateral – 77055 CAD (Computer Aided Detection) – 77051 New CPT code 77065, 77066 & 77067 for Diagnostic and Screening Mammography From 1st January 2018, the below CPT code 77065, 77066 and 77067 will be ...