After you file

I don't know what you mean "accepted".  Amended returns (1040X) can ONLY be printed and mailed.  Amended returns CANNOT ever be e-filed and amended returns do not "accept", they are simply received by the IRS and entered into their system.

 

If you e-filed it then is was NOT an amended return and if it accepted then that means that it was an original return - not an amended return.

 

You can check your TurboTax filing status here:
https://shop.turbotax.intuit.com/efile/efile_status_lookup.jsp

 

You can check the IRS Where's My Refund website:
https://www.irs.gov/Refunds

 

If you actually amended and mailed the amended return then:

 

You can check the status of the amended return here, but allow 3 weeks after mailing.

https://www.irs.gov/filing/wheres-my-amended-return

 

**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**