I think you mean can you deduct the cost of a CT scan, a medical procedure. It may be deductible as a medical expense, but it will only help you if you can benefit from itemizing your deductions. Also, to be deductible on your federal tax return, all of your medical expenses must total more than 7.5% of your adjusted gross income, and only the mount over that is deductible. It may be deductible on your state return even if not deductible on the federal return.
You can enter the cost of medical expenses in the Deductions and Credits section, then Medical, then Medical Expenses.
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