The song is clearly a pop, trip-hop, and trap song with a heavy use of synthesizers. This article called it a "synth-led new song" (http://m.digitalspy.com/music/news/a662805/lana-del-rey-premieres-her-synth-led-new-single-high-by-the-beach.html#~plbLHqFKaAX8xT), so I think it would be appropriate to add "synthpop" to the genre