If your global health insurance policy includes a deductible which occurs on a Per-Condition basis then this will be the amount of money which you will be required to contribute to the bill for each separate medical condition which you may require treatment for.
For example, if your Global Health Insurance plan included a $100 Per Condition Deductible, and you had to go see the doctor because you have the flu, then you would be required to cover the first $100 of your treatment costs, with the insurance covering the rest. If you had to go back to the doctor because of the same case Flu, then you would not need to pay a further deductible as you have already contributed towards the costs of treatment for that condition. However, if you returned to the doctor because you had a sinus infection, then you would have to pay the deductible again as the condition being treated will have changed.