You can treat the distribution from the IRA as exempt from the penalty if you are disabled. Just be sure that you meet the strict definition of disability that applies in this case. To be disabled in order to escape the 10% early distribution penalty, you must be able to show that you have a physical or mental condition that can be expected to last indefinitely or result in death and that the condition prevents you from engaging in any substantial gainful activity similar to the type of work you were doing before the condition arose.
The total amount of income received from all sources before exclusions and deductions.