Many people have claimed loved-ones were put on the pathway - which can involve the removal of drugs, nutrition and hydration if deemed to be of no benefit to the patient - without their knowledge. Some doctors have claimed it can hasten death.
Now Mr Lamb has announced a wide-ranging review, to be overseen by an independent chairman, which will report back to him in the New Year.
It will look at a number of issues, including why doctors are sometimes not informing relatives of decisions to put patients on the LCP, and the question of payments to hospitals for meeting targets on their use of the pathway.
The Daily Telegraph revealed last month that six in 10 NHS hospital trusts had received payments totalling ?12 million or more for attaining these goals. In some hospitals more than half of all dying patients are put on the pathway