The 29-year-old was dismissed in the first half at Upton Park for a clash with Luis Boa Morte, although referee
Peter Walton told an FA regulatory commission he and his assistant made a mistake.
The commission had to decide whether a "serious and obvious" error had been made when Lampard was sent off for no
more than a push in Boa Morte's chest.
They also had to take into consideration referees being instructed that, while endangering an opponent warrants a
red card, contact on or above the neck is deemed violent conduct under UEFA guidelines.
Lampard's reprieve allows him to play against Barnsley in the FA Cup and the Premier League matches against Derby