Code of Federal Regulations Title 42. Public Health § 42.405.922 Time frame for processing initial determinations

The contractor issues initial determinations on clean claims within 30 calendar days of receipt if they are submitted by or on behalf of the beneficiary who received the items and/or services;  otherwise, interest must be paid at the rate specified at 31 U.S.C. 3902(a) for the period beginning on the day after the required payment date and ending on the date payment is made.