Drug Coverage Lookup

See how a prescription drug is placed across Medicare Part D plan formularies — tier, prior authorization, step therapy, and quantity limits, counted per unique plan.

Amitiza (Lubiprostone)

Chloride Channel Activator

On Part D plan formularies

Found on the formularies of 5429 of 5499 Medicare Part D plans in this dataset · Tiers 1–4 · quantity limits on 5114 (94%), counting a plan when at least one form/strength carries the flag.

This is dataset-wide formulary placement (data current through 2026-08-31) — check your specific plan for its current coverage and restrictions.

Found on the formularies of 5429 of 5499 Medicare Part D plans in this dataset (Tiers 1–4). Check your specific plan for its tier and copay — a low tier does not always beat a discount card.
Compare cash & discount prices →
PlanTierPrior AuthStep TherapyQty Limit
Hamaspik Medicare Choice (HMO D-SNP) (H0034-002) (NY) Tier 1 No No 60 per 30 days
MetroPlus UltraCare (HMO D-SNP) (H0423-007) (NY) Tier 1 No No 60 per 30 days
Mass General Brigham SCO (HMO D-SNP) (H0777-001) (MA) Tier 1 No No None
Johns Hopkins Advantage MD D-SNP (HMO D-SNP) (H1225-003) (MD) Tier 1 No No 60 per 30 days
CCA One Care (HMO D-SNP) (H1486-001) (MA) Tier 1 No No 60 per 30 days
Arkansas Integrated Providers (AIP) Dual Advantage (HMO D-SNP) (H1587-001) (AR) Tier 1 No No 60 per 30 days
Mass General Brigham One Care (HMO D-SNP) (H1611-001) (MA) Tier 1 No No None
Community Care's Partnership Program (HMO D-SNP) (H2034-001) (WI) Tier 1 No No None
Alameda Alliance Wellness (HMO D-SNP) (H2035-001) (CA) Tier 1 No No 60 per 30 days
Senior Whole Health SCO (HMO D-SNP) (H2224-001) (MA) Tier 1 No No 60 per 30 days
Senior Whole Health SCO NHC (HMO D-SNP) (H2224-003) (MA) Tier 1 No No 60 per 30 days
CCA Senior Care Options (HMO D-SNP) (H2225-001) (MA) Tier 1 No No 60 per 30 days
Abilis Health Community (HMO I-SNP) (H2400-002) (KY,TN) Tier 1 No No 60 per 30 days
PrimeWest Senior Health Complete (HMO D-SNP) (H2416-001) (MN) Tier 1 No No 60 per 30 days
IMCare Classic (HMO D-SNP) (H2417-001) (MN) Tier 1 No No 60 per 30 days
SeniorCare Complete (HMO D-SNP) (H2419-001) (MN) Tier 1 No No 60 per 30 days
SecureBlue (HMO D-SNP) (H2425-001) (MN) Tier 1 No No 60 per 30 days
Sentara Community Complete Select (HMO D-SNP) (H2563-020) (VA) Tier 1 No No 60 per 30 days
Prime Health Complete (HMO D-SNP) (H2926-001) (MN) Tier 1 No No 60 per 30 days
Upper Peninsula Health Plan MI Coordinated Health (HMO D-SNP) (H3127-001) (MI) Tier 1 No No 60 per 30 days
Blue Cross Medicare Advantage Dual Care Plus (HMO D-SNP) (H3251-029) (NM) Tier 1 No No 60 per 30 days
PruittHealth Premier D-SNP (HMO D-SNP) (H3291-002) (GA) Tier 1 No No 60 per 30 days
Elderplan Plus Long-Term Care (HMO-POS D-SNP) (H3347-007) (NY) Tier 1 No No 60 per 30 days
Healthfirst CompleteCare (HMO D-SNP) (H3359-034) (NY) Tier 1 No No 60 per 30 days
Generations Classic Rewards (HMO) (H3706-001) (OK) Tier 1 No No 60 per 30 days

One row per plan — showing 25 of 5429 plans; a Yes means the flag applies to at least one form/strength on that plan.

Acquisition cost (NADAC): $0.62385/unit — price effective 08/19/2026

For benefits professionals
Plan sponsors and advisors: formulary-placement and utilization analysis across plans.
For benefits teams: plan formulary analysis →

Source: CMS Monthly Prescription Drug Plan Formulary and Pharmacy Network Information — data current through 2026-08-31 (CMS release 2026-08-26, refreshed monthly) · NADAC price effective 08/19/2026 (per-NDC last change, not a data-staleness date). Dataset-wide plan-year formulary placement, not a guarantee of your individual benefit — confirm with your plan or pharmacist.

Data: CMS Monthly Part D formulary files · FDA/RxNorm drug identity · CMS NADAC pricing — CMS Part D formulary data current through 2026-08-31 · source

Machine access — this tool is available as structured data for AI assistants and agents:
GET https://insurewith.ai/tools/drug-coverage/data.json?drug=lubiprostone
InsureWith Assistant
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