The only practical thing is to quote a patient in US dollars.
We take this approach because the currency is so unstable.
Obtaining materials, equipment, spare parts and replacements is very hard to do because there are no suppliers in the country.
One cannot buy foreign currency from the government. Buying from the parallel market is the only way.
I have to send anything that needs repairing to South Africa and payment has to somehow be arranged between myself and the company there... getting the money to them is a real nightmare.
Basic things like local anaesthetic, sutures and bandages are always scarce. My wife travels to Dubai to buy my supplies.