If you plan to claim a deduction for your medical expenses, there are some new rules this year that may affect your tax return. Here are eight things you should know about the medical and dental expense deduction:

  1. AGI threshold increase. Starting in 2013, the amount of allowable medical expenses you must exceed before you can claim a deduction is 10 percent of your adjusted gross income. The threshold was 7.5 percent of AGI in prior years.
  2. Temporary exception for age 65. The AGI threshold is still 7.5 percent of your AGI if you or your spouse is age 65 or older. This exception will apply through Dec. 31, 2016.
  3. You must itemize. You can only claim your medical and dental expenses if you itemize deductions on your federal tax return. You can't claim these expenses if you take the standard deduction.
  4. Paid in 2013. You can include only the expenses you paid in 2013. If you paid by check, the day you mailed or delivered the check is usually considered the date of payment.
  5. Costs to include. You can include most medical or dental costs that you paid for yourself, your spouse and your dependents. Some exceptions and special rules apply. Any costs reimbursed by insurance or other sources don't qualify for a deduction.
  6. Expenses that qualify. You can include the costs of diagnosing, treating, easing or preventing disease. The cost of insurance premiums that you pay for policies that cover medical care qualifies, as does the cost of some long-term care insurance. The cost of prescription drugs and insulin also qualify. For more examples of costs you can deduct, see IRS Publication 502, Medical and Dental Expenses.
  7. Travel costs count. You may be able to claim the cost of travel for medical care. This includes costs such as public transportation, ambulance service, tolls and parking fees. If you use your car, you can deduct either the actual costs or the standard mileage rate for medical travel. The rate is 24 cents per mile for 2013.
  8. No double benefit. You can't claim a tax deduction for medical and dental expenses you paid with funds from your Health Savings Accounts or Flexible Spending Arrangements. Amounts paid with funds from those plans are usually tax-free.

Publication 502 is available on IRS.gov or you can order it by calling 800-TAX-FORM (800-829-3676).

Additional IRS Resources

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Upcoming Tax Dates

April 10 Employees who work for tips
If you received $20 or more in tips during March, report them to your employer. You can use Form 4070.

April 10 Communications and air transportation taxes under the alternative method
Deposit the tax included in amounts billed or tickets sold during the first 15 days of March.

April 14 Regular method taxes
Deposit the tax for the last 16 days of March.

April 15 Individuals
File a 2014 income tax return (Form 1040, 1040A, or 1040EZ) and pay any tax due. If you want an automatic 6 month extension of time to file the return, file Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return. For more information, see Form 4868. Then, file Form 1040, 1040A, or 1040EZ by October 15.

April 15 Individuals
If you are not paying your 2015 income tax through withholding (or will not pay in enough tax during the year that way), pay the first installment of your 2015 estimated tax. Use Form 1040ES.

April 15 Household Employers
If you paid cash wages of $1,800 or more in 2014 to a household employee, you must file Schedule H - Details

April 15 Partnerships
File a 2014 calendar year return (Form 1065) - Details

April 15 Partnerships
Electing large partnerships: File a 2014 calendar year return (Form 1065-B) - Details

April 15 Corporations
Deposit the first installment of estimated income tax for 2015 - Details

April 15 Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in March.

April 15 Nonpayroll withholding
If the monthly deposit rule applies, deposit the tax for payments in March.

April 15 Household employers
If you paid cash wages of $1,900 or more in 2014 to a household employee, you must file Schedule H (Form 1040). If you are required to file a federal income tax return (Form 1040), file Schedule H (Form 1040) with the return and report any household employment taxes. Report any federal unemployment (FUTA) tax on Schedule H (Form 1040) if you paid total cash wages of $1,000 or more in any calendar quarter of 2013 or 2014 to household employees. Also, report any income tax you withheld for your household employees.

April 27 Communications and air transportation taxes under the alternative method
Deposit the tax included in amounts billed or tickets sold during the last 16 days of March.

April 29 Regular method taxes
Deposit the tax for the first 15 days of April.

April 30 Social security, Medicare, and withheld income tax
File Form 941 for the first quarter of 2015. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is less than $2,500, you can pay it in full with a timely filed return. If you deposited the tax for the quarter timely, properly, and in full, you have until May 11 to file the return.

April 30 Federal unemployment tax.
Deposit the tax owed through March if more than $500.

April 30 Form 720 taxes
File Form 720 for the first quarter of 2015.

April 30 Wagering tax
File Form 730 and pay the tax on wagers accepted during March.

April 30 Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in March.

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