I think you are confused by the wording on the IRS site. The IRS site does not use the word "accepted" on its site. If you are seeing anything at all about your return on the IRS site, it has been accepted and is in some stage of being processed. You are waiting for "approval."
https://ttlc.intuit.com/questions/2840013-does-accepted-mean-my-refund-is-approved
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