Is Integrated Pest Management another name for 'organic'?

No, IPM is not another name for 'organic'.

The Food and Agriculture Organisation (FAO) of the United Nations includes the following in its definition of IPM:

"Integrated Pest Management (IPM) means the careful consideration of all available pest control techniques..."

IPM makes use of advanced techniques for pest management including pesticides, such as those used in conventional and organic agriculture.