BuzzFeed
Anna North
http://www.buzzfeed.com/annanorth/why-transgender-womens-breast-cancer-risk-is-stil

Last week, Beth Scott won her battle to get her insurance carrier to cover her mammogram, after they refused to because she's transgender. Scott's doctor had recommended the screening, but when it comes to figuring out their actual risk of breast cancer, transgender women (and men) face a frustrating lack of information.

I have had a mammogram.  Just use the ICD code 611.1 - gynecomastia.

Covered.