Hi Team,
New functionality was added at the 10.2.1 release to allow you to identify specific fields in tables and feature classes that you do not be included when looking for conflicts. Below is an example of setting this up and seeing how it works demonstrated in PowerPoint:
10_2_1_Field_Conflict_Filter.pptx - Box
Here is the help documentation on this subject: ArcGIS Help (10.2, 10.2.1, and 10.2.2)