• § 423.558 - Scope.

• § 423.560 - Definitions.

• § 423.562 - General provisions.

• § 423.564 - Grievance procedures.

• § 423.566 - Coverage determinations.

• § 423.568 - Standard timeframe and notice requirements for coverage determinations.

• § 423.570 - Expediting certain coverage determinations.

• § 423.572 - Timeframes and notice requirements for expedited coverage determinations.

• § 423.576 - Effect of a coverage determination.

• § 423.578 - Exceptions process.

• § 423.580 -

• § 423.582 - Request for a standard redetermination.

• § 423.584 - Expediting certain redeterminations.

• § 423.586 - Opportunity to submit evidence.

• § 423.590 - Timeframes and responsibility for making redeterminations.

• § 423.600 - Reconsideration by an independent review entity (IRE).

• § 423.602 - Notice of reconsideration determination by the independent review entity.

• § 423.604 - Effect of a reconsideration determination.

• §§ 423.610-423.634 - §[Reserved]

• § 423.636 - How a Part D plan sponsor must effectuate standard redeterminations, reconsiderations, or decisions.

• § 423.638 - How a Part D plan sponsor must effectuate expedited redeterminations or reconsiderations.