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.
Medical expenses can take a big bite out of your finances. In addition to doctor and pharmacy bills, thereâs the cost of getting to and from those appointments. The IRS allows you to take a deduction for medical-related mileage, if you meet certain requirements.ther Considerations. Instead of figuring your mileage deduction, you may deduct the actual costs you incurred in traveling to and from your medical appointments. You can deduct the cost of gas and oil for the trips you made.