Comparison of True Technical Costs of MRI and CT
Alex Lewis 1 , Andreas Loening 1 , and Shreyas Vasanawala 1
Department of Radiology, Stanford
University, Stanford, CA, United States
Detailed analysis of the multiple variables that
contribute to the cost of operating a single 3T magnet
was undertaken including capital costs, consumable
costs, overhead costs, staffing costs and
maintenance/service expenses. The cost per minute of MRI
is linear at $3.13 with a prominent increase at 10
minutes accounting for the point of contrast injection,
which is the largest incremental cost for an MR exam.
The cost of a 15 minute MRI with contrast is $106 versus
$99 for a 5 minute CT with contrast (cost is comparable
secondary to slightly higher cost of CT contrast
compared to gadolinium).
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