Because arthropods are characterized by bilaterally symmetric  segmented bodies, an exoskeleton made from chitin, and joint  appendages, pretty much any characteristic otherâ¦ than these might  disqualify the organism. Mammals for example, with their internal  skeleton would be disqualified.
Medical Expense Deduction. You can deduct medical mileage as part of your overall medical expense deduction. The IRS limits the medical deduction to the amount of medical expenses in excess of 7.5 percent of your Adjusted Gross Income.
WASHINGTON â The Internal Revenue Service today issued the 2014 optional standard mileage rates used to calculate the deductible costs of operating an automobile for business, charitable, medical or moving purposes. Beginning on Jan. 1, 2014, the standard mileage rates for the use of a car (also vans, pickups or panel trucks) will be: 1  56 cents per mile for business miles driven. 2  23.5 cents per mile driven for medical or moving purposes. 3  14 cents per mile driven in service of charitable organizations.