• G0202 - "screening mammography, bilateral (2-view study of each breast) , including computer -aided detection Computer-Aided Detection (CAD) when performed"
• G0204 - "diagnostic mammography, including when performed; bilateral" and
• G0206 - " diagnostic mammography, including CAD when performed; unilateral"

These codes are bing replaced by the following CPT codes:

• 77067 - "screening mammography, bilateral (2-view study of each breast), including CAD when performed"
• 77066 - "diagnostic mammography, including (CAD) when performed;bilateral" and
• 77065 - "diagnotsic mammography, including CAD when performed; unilateral".

As part of the January 2017 HCPCS code update, code G0389 was replaced by CPT code
76706. Type of Service (TOS) “5” was assigned to 76706, and the coinsurance and deductible
were waived.
Effective January 1, 2018, the TOS for 76706 will be changed to “4” as part of the 2018 HCPCS
update; the coinsurance and deductible will continue to be waived
 

https://www.cms.gov/Outreach-and-Education/Medicare-Learning-Network-MLN/MLNMattersArticles/downloads/MM10181.pdf