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

March 1 — Farmers & fishermen
File your 2016 income tax return (Form 1040) and pay any tax due Details

March 10 — Employees who work for tips
If you received $20 or more in tips during February, report them to your employer Details

March 11 — 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 February. Details

March 14 — Regular method taxes
Deposit the tax for the last 13 days of February.0

March 15 — S Corporations
File a 2016 calendar year income tax return (Form 1120S) and pay any tax due Details

March 15 — S Corporation election
File Form 2553, Election by a Small Business Corporation, to elect to be treated as an S corporation beginning with calendar year 2017. If Form 2553 is filed late, S corporation treatment will begin with calendar year 2018.

March 15 — Partnerships
File a 2016 calendar year return (Form 1065) Details

March 15 — Electing larger partnerships
Provide each partner with a copy of Schedule K1 (Form 1065B), Partner's Share of Income (Loss) From an Electing Large Partnership, or a substitute Schedule K1. This due date applies even if the partnership requests an extension of time to file the Form 1065B by filing Form 7004

March 15 — Partnerships
Electing large partnerships: File a 2016 calendar year return (Form 1065-B) Details

March 15 — Social security, Medicare, and withheld income tax
If the monthly deposit rule Page 6 Publication 509 (2015) applies, deposit the tax for payments in February.

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

March 25 — Communications and air transportation taxes under the alternative method.
Deposit the tax included in amounts billed or tickets sold during the last 14 days of February.

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

March 31 — Electronic filing of Forms W2
File copies of all the Forms W2 you issued for 2016. This due date applies only if you electronically file.

March 31 — Electronic filing of Forms W2G
File copies of all the Forms W2G you issued for 2016. This due date applies only if you electronically file.

March 31 — Electronic filing of Forms 8027
File Forms 8027 for 2016. This due date applies only if you electronically file.

March 31 — Wagering tax
File Form 730 and pay the tax on wagers accepted during February.

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