I'll just tell you from my experience.
Generally the office visit for an exotic (any reptile) is $50.
I paid $19.50 for the fecal exam.
RI - depends! There are different antibiotics, and you can choose to do a culture/lung wash to find out exactly what the problem is (runs $60-120) You will also have to pay the office visit (stated above) and buy the antibiotics (typically $15-30 per 2 weeks of doses)