Don’t think a claim adjustment will get you out of Medicare’s one-year timely filing deadline. “If a provider fails to include a particular item or service on its initial claim, an adjustment submission to include such an item(s) or service(s) is not permitted after the expiration of the time limitation for filing of the initial claim,” HHH MAC Palmetto GBA says in a Timely Filing job aid on its website. For a free copy of and link to the aid, email editor Rebecca Johnson at rebeccaj@eliresearch. com with “Timely Filing Aid” in the subject line.