424.44—Time limits for filing claims.

(a) Basic Limits. Except as provided in paragraph (b) and (e) of this section, the claim must be delivered to the intermediary or carrier as appropriate:
(1) On or before December 31 of the following year for services that were furnished during the first 9 months of a calendar year; and
(2) On or before December 31 of the second following year for services that were furnished during the last 3 months of the calendar year.
(b) Extension of filing time because of error or misrepresentation. (1) The time for filing a claim will be extended if failure to meet the deadline in paragraph (a) of this section was caused by error or misrepresentation of an employee, intermediary, carrier, or agent of the Department that was performing Medicare functions and acting within the scope of its authority.
(2) The time will be extended through the last day of the 6th calendar month following the month in which the error or misrepresentation is corrected.
(c) Extension of period ending on a nonworkday. If the last day of the period allowed under paragraph (a) or (b) of this section falls on a Federal nonworkday (a Saturday, Sunday, legal holiday, or a day which by statute or Executive Order is declared to be a nonworkday for Federal employees), the time is extended to the next succeeding workday.
(d) Outpatient diabetes self-management training. CMS makes payment in half-hour increments to an entity for the furnishing of outpatient diabetes self-management training on or after the approval date CMS approves the entity to furnish the services under part 410, subpart H of this chapter.
(e) Exceptions. Any claims filed by the following suppliers with Medicare billing privileges whose time limits for filing claims are linked to their enrollment status and are governed under § 424.516, § 424.520, and § 424.521 of this subpart:
(1) Physician or nonphysician organizations.
(2) Physicians.
(3) Nonphysician practitioners.
(4) Independent diagnostic testing facilities.
[53 FR 6634, Mar. 2, 1988, as amended at 65 FR 83153, Dec. 29, 2000; 73 FR 69939, Nov. 19, 2008]