"This download contains the Nextera Rapid Capture Expanded Exome target region intervals that do not overlap the Nextera Rapid Capture Exome target regions. There are a total of 29 MB that are unique to the Expanded Exome product. 50,257 intervals across 47,273 Expanded Exome targeted regions. This was determined by base overlap only. For example, comparing an Exome product region at Chr 1 position 300 – 500 with an Expanded Exome region at Chr 1 position 305 – 495 results in a 191 bp overlap and two 5 bp ""unique regions"" for the Exome product."