189 Visa Medicals

Dear Friends, I have received request from CO for medicals. But i cannot undergo medicals for 15 days. As i yesterday came for two week vocations in some remote hill station. I really don't want to cut short my holidays and waste lot of money. On the same time I don't want to jeoperdize my case by doing medicals late. My question is how long I can take to appear for medicals is it okay if go through medicals after 2 weeks?? Kindly suggest??
They must have mentioned the time limit in the request letter.I think you should get it done.
Normally they mention time , say around 28 days are given , however you can also apply for extension of time with valid reasons, but you must book medical slot as normally they give dates ranging from 1to 2 weeks time . so first pls book your medical slot online with out further wasting time.