Therefore, you may submit a new (corrected) claim and it will not reject as a duplicate to the original claim. You must submit a new claim if: You do not have access to the DDE system.

What is the resubmission code for a corrected claim for Medicare?

Complete box 22 (Resubmission Code) to include a 7 (the "Replace" billing code) to notify us of a corrected or replacement claim, or insert an 8 (the “Void” billing code) to let us know you are voiding a previously submitted claim.

How long do I have to send a corrected claim to Medicare?

Medicare claims must be filed no later than 12 months (or 1 full calendar year) after the date when the services were provided. If a claim isn't filed within this time limit, Medicare can't pay its share.