The top champions out of lane to counter Хеймердингер include Варус, Калиста, and Самира. These champions are all great at countering Хеймердингер with win rates over 57%. Even if these Хеймердингер counter picks are not picked in your lane, it's not smart to choose him into one of these matchups. They will most often beat Хеймердингер.
Yet, if the opposite team choses either Зиггс or Удир, Хеймердингер mains should seriously think about choosing him, as he easily destroys these champs with win rates over 55% against each ofthem.