CFR > Title 42 - Public Health > CHAPTER IV—CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER B—MEDICARE PROGRAM (parts 405 to 426) > PART 423—VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT > SUBPART U—Reopening, ALJ Hearings, MAC review, and Judicial Review (§423.1968 to §423.2140) > 423.2100—Medicare appeals council review: general.

423.2100—Medicare appeals council review: general.

(a) Consistent with § 423.1974, the enrollee may request that the MAC review an ALJ's decision or dismissal.
(b) When the MAC reviews an ALJ's written decision, it undertakes a de novo review.
(c) The MAC issues a final decision, dismissal order, or remands a case no later than the end of the 90 calendar period beginning on the date the request for review is received (by the entity specified in the ALJ's written notice of decision), unless the 90 calendar day period is extended as provided in this subpart or the enrollee requests expedited MAC review.
(d) If an enrollee requests expedited MAC review, the MAC issues a final decision, dismissal order or remand as expeditiously as the enrollee's health condition requires, but no later than the end of the 10 calendar day period beginning on the date the request for review is received (by the entity specified in the ALJ's written notice of decision), unless the 10 calendar day period is extended as provided in this subpart.