1 However, this does not include the vet fee. 2  As the years go by, the costs can rise considerably. 3  According to Petsbest.com, the cost for a scan ranges from $800 to $1,200 for each diagnostic screening.4  The total cost may be more than this if multiple scans may be needed. According to Petsbest.com, the cost for a scan ranges from $800 to $1,200 for each diagnostic screening. 2  The total cost may be more than this if multiple scans may be needed. 3  The costs associated with the scan may be a bit expensive since the machine (scanner) needed for the procedure is priced quite high as well.