A lot happens between the ACCEPTED FOR PROCESSING bar on the IRS tool and the APPROVED for refund dispersal bar. I wish there was a better meter but there isn't at this time ... the code 152 simply means you are between step one and step 2 ... nothing more nothing less and you must be patient until they finish. See this road map : https://www.taxpayeradvocate.irs.gov/get-help/roadmap/