Have Aetna need Revision...how long should approval or denial take

I have had my band for 2 years which was self pay and am needing a revision to a sleeve and now I have Aetna.  I had my sleep study last week with no sleep apnea and my endoscopy last week with Dr. Kim, he said I have a slipped band which has been empty for weeks.  His office submitted everything to the insurance today and said we will have to wait to hear from them.  Has anybody else gone throught these steps with insurance, how long does it usually take to get an approval or denial?

It can take 30 days. :o( Doesn't mean it will, but they do have 30 days to decide.

Ok...thank you for the info!

My doctor told me the same thing, but I called the precert line for Aetna and was told that the fax had been recieved 2 wks ago and no one had assigned a case number to it, he did it while I was on the phone and I was approved in less than 24hrs from that point.

So what # is the precert line?  I ask because I have aetna, and I had my precert sent in for RNY approval Monday May 24th.  I called a few days ago to the regular aetna # and the rep told me that they had NOTHING received from the hospital (Which is exactly what they told me last summer when I was trying to go for the lap band-and two days later I had been approved?!).  So, I'm tired of waiting because it has been almost 2 weeks!  Would love to get a straight answer from someone at Aetna for once!! :)

It was on the front of my insurance card. Right above the member services number. it may be company specific. PM me if you want to try that number.