IMHO, you still need to treat whatever it is and improve the chameleon's living conditions (which I know you are working on).
The test should be the same for cats, dogs and any other animal. The bacteria would likely be the same ones found in cats and dogs but if its fungal it may be different, but still treated like any other fungus. They just need to take a biopsy of the area and test it.
The test should be the same for cats, dogs and any other animal. The bacteria would likely be the same ones found in cats and dogs but if its fungal it may be different, but still treated like any other fungus. They just need to take a biopsy of the area and test it.