XIFAXAN 550 mg Tablet

Also known as Rifaximin. Coverage in Colorado (CMS PDP Region 27).

10 of 10 stand-alone Part D plans in Colorado cover this drug on tier 5.

10 of 10 plans apply a prior authorization, step therapy or quantity limit.

96 Medicare Advantage plans in CO do cover it

Medicare Advantage plans carry their own formularies, separate from stand-alone Part D. A patient on an MA-PD plan may have coverage even where no PDP lists the drug. CO: 96 plans.

Every plan that covers it

Plan	Tier	30-day preferred	90-day mail	Unit cost	Est. 30-day fill	Restrictions
Wellcare Value Script (PDP)$0.00/mo premium · $615.00 deductible	5Specialty Tier	25%	—	$67.2966	$605.679 units	Prior authorization Quantity limit 9 per 30 days
Humana Basic Rx Plan (PDP)$0.00/mo premium · $615.00 deductible	5Specialty Tier	25%	—	$58.6566	$5,279.0990 units	Prior authorization Quantity limit 84 per 28 days
Wellcare Classic (PDP)$2.20/mo premium · $615.00 deductible	5Specialty Tier	25%	—	$67.2966	$605.679 units	Prior authorization Quantity limit 9 per 30 days
Humana Value Rx Plan (PDP)$48.50/mo premium · $601.00 deductible	5Specialty Tier	26%	—	$58.6566	$5,279.0990 units	Prior authorization Quantity limit 84 per 28 days
HealthSpring Assurance Rx (PDP)$61.70/mo premium · $615.00 deductible	5Specialty Tier	25%	—	$67.9326	$611.399 units	Prior authorization Quantity limit 9 per 30 days
HealthSpring Extra Rx (PDP)$70.70/mo premium · $615.00 deductible	5Specialty Tier	25%	—	$67.7136	$609.429 units	Prior authorization Quantity limit 9 per 30 days
SilverScript Choice (PDP)$105.10/mo premium · $615.00 deductible	5Specialty Tier	25%	—	$67.7797	—	Prior authorization
AARP Medicare Rx Saver from UHC (PDP)$125.00/mo premium · $615.00 deductible	5Specialty Tier	25%	—	$68.8464	—	Prior authorization
Humana Premier Rx Plan (PDP)$137.10/mo premium · $0.00 deductible	5Specialty Tier	33%	—	$58.6566	$5,279.0990 units	Prior authorization Quantity limit 84 per 28 days
AARP Medicare Rx Preferred from UHC (PDP)$151.90/mo premium · $130.00 deductible	5Specialty Tier	31%	—	$68.8464	—	Prior authorization

Cost-sharing is the initial coverage phase at a preferred pharmacy; a percentage is coinsurance of the plan’s negotiated price, and the deductible may apply first. CMS publishes a negotiated price per unit, so the 30-day fill is shown only where the plan’s own quantity limit supplies the quantity.

See coverage in all 39 regions →