Saturday's second-round match finished 1-1 after extra time before Brazil won a penalty shootout.
FIFA says its technical study group ruled that Luiz, not Chile defender Gonzalo Jara, got the final touch on the ball.
FIFA's technical study group is composed of coaches and former players from across the world to evaluate team tactics and strategy at all its tournaments.
- Sports & Recreation
- David Luiz
- Gonzalo Jara