A method and apparatus for providing a measurement report from a User Equipment (UE) to a network in a wireless communication system according to one embodiment includes using a configuration to indicate whether or not a corresponding additional measurement result should be included in the measurement report, and using the configuration to indicate more than one type of additional measurement result. A method and apparatus for providing a measurement report from a UE to a network in a wireless communication system according to another embodiment includes triggering a measurement report, and omitting an additional measurement result in the measurement report if the measurement report is triggered by inter-Radio Access Technology measurement (inter-RAT measurement).