In January 2013, Rangers' manager Philip Lee said that he would let Lam make the decision about his own future.

[citation needed] On 18 May 2013, Lam announced that he had joined Indonesia Super League club Persija Jakarta for a four-month loan contract.

[1] On 26 May 2013, Lam made his line-up debut for Persija Jakarta against Persidafon Dafonsoro, and he played for about 70 minutes before being injured.

[citation needed] Following Eastern's 2016–17 season playoff win, chairman Peter Leung announced that the club had signed Lam from South China.

[6] Lam scored his first international goal for Hong Kong on 14 November 2012 in the match against Malaysia at the Shah Alam Stadium.