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Colesevelam is a generic drug. What agents check before quoting it: how many 2027 Part D plans cover it, on which tier, with what restrictions and copays, by plan type, carrier and state.
In 2027, 4,131 of 5,492 Medicare Part D and Medicare Advantage drug plans (75.2%) list Colesevelam on their formulary, across 223 of 286 formularies. The most common placement is tier 3 (1,868 plans, 45.2% of those covering it). 0 of the covering plans require prior authorization (0%), 0 step therapy and 29 a quantity limit.
731 covering plans charge a flat copay for a 30-day supply at a preferred retail pharmacy after the deductible — median $0, 461 of them $0; 3,400 charge coinsurance instead — median 25% of the drug's cost. Once a member's out-of-pocket drug spending reaches $2,400 in 2027, covered drugs cost $0 for the rest of the year.
2026: 4,046 of 5,496 plans covered it (73.6%); 2027: 4,131 of 5,492 (75.2%).
Of 4,367 plans offered in both years, 39 added it to the formulary and 48 dropped it.
Among plans covering it both years, 90 moved it to a higher tier and 258 to a lower one; 0 added prior authorization and 0 removed it.
| Tier | Plans |
|---|---|
| Tier 1 | 351 |
| Tier 2 | 441 |
| Tier 3 | 1,868 |
| Tier 4 | 1,471 |
| Plan type | Plans covering | Share | Prior auth |
|---|---|---|---|
| Stand-alone Part D (PDP) | 95 of 323 | 29.4% | 0% |
| Medicare Advantage with drugs (MA-PD) | 2,411 of 3,200 | 75.3% | 0% |
| Special needs plans (SNP) | 1,625 of 1,969 | 82.5% | 0% |
| Carrier | Plans covering | Usual tier | Prior auth |
|---|---|---|---|
| Humana | 0 of 846 | No tier listed | 0 |
| UnitedHealthcare | 757 of 830 | Tier 3 | 0 |
| Devoted Health | 728 of 728 | Tier 4 | 0 |
| Aetna Medicare | 631 of 631 | Tier 3 | 0 |
| Wellcare | 268 of 268 | Tier 1 | 0 |
| HealthSpring | 191 of 226 | Tier 3 | 0 |
| Kaiser Permanente | 112 of 112 | Tier 2 | 0 |
| SCAN Health Plan | 83 of 83 | Tier 4 | 0 |
| Highmark Blue Cross Blue Shield or Highmark Blue Shield | 80 of 80 | Tier 4 | 0 |
| Alignment Health Plan | 77 of 77 | Tier 4 | 0 |
| Anthem Blue Cross and Blue Shield | 69 of 74 | Tier 3 | 0 |
| Wellpoint | 50 of 63 | Tier 3 | 0 |
| Priority Health Medicare | 40 of 40 | Tier 4 | 0 |
| CarePlus Health Plans, Inc. | 0 of 37 | No tier listed | 0 |
| Zing Health | 36 of 36 | Tier 2 | 0 |
| Capital Blue Cross | 0 of 35 | No tier listed | 0 |
| Prominence Health Plan | 29 of 29 | Tier 4 | 0 |
| Medica | 27 of 27 | Tier 4 | 0 |
| Anthem HealthKeepers | 25 of 26 | Tier 3 | 0 |
| Blue Cross Blue Shield of Michigan | 0 of 26 | No tier listed | 0 |
| State | Plans covering | Share |
|---|---|---|
| Alabama | 87 of 114 | 76.3% |
| Alaska | 3 of 9 | 33.3% |
| American Samoa | 0 of 1 | 0% |
| Arizona | 109 of 147 | 74.1% |
| Arkansas | 60 of 85 | 70.6% |
| California | 346 of 397 | 87.2% |
| Colorado | 84 of 106 | 79.2% |
| Connecticut | 43 of 54 | 79.6% |
| Delaware | 31 of 43 | 72.1% |
| District of Columbia | 11 of 12 | 91.7% |
| Florida | 328 of 545 | 60.2% |
| Georgia | 109 of 149 | 73.2% |
| Guam | 0 of 1 | 0% |
| Hawaii | 39 of 50 | 78% |
| Idaho | 20 of 45 | 44.4% |
| Illinois | 98 of 132 | 74.2% |
| Indiana | 102 of 138 | 73.9% |
| Iowa | 51 of 64 | 79.7% |
| Kansas | 56 of 84 | 66.7% |
| Kentucky | 76 of 121 | 62.8% |
| Louisiana | 86 of 125 | 68.8% |
| Maine | 34 of 52 | 65.4% |
| Maryland | 39 of 49 | 79.6% |
| Massachusetts | 55 of 89 | 61.8% |
| Michigan | 121 of 182 | 66.5% |
| Minnesota | 46 of 63 | 73% |
| Mississippi | 77 of 104 | 74% |
| Missouri | 130 of 170 | 76.5% |
| Montana | 4 of 27 | 14.8% |
| Nebraska | 36 of 51 | 70.6% |
| Nevada | 73 of 100 | 73% |
| New Hampshire | 13 of 25 | 52% |
| New Jersey | 54 of 73 | 74% |
| New Mexico | 48 of 68 | 70.6% |
| New York | 193 of 215 | 89.8% |
| North Carolina | 139 of 176 | 79% |
| North Dakota | 19 of 26 | 73.1% |
| Northern Mariana Islands | 0 of 1 | 0% |
| Ohio | 146 of 171 | 85.4% |
| Oklahoma | 55 of 81 | 67.9% |
| Oregon | 68 of 92 | 73.9% |
| Pennsylvania | 251 of 323 | 77.7% |
| Puerto Rico | 62 of 64 | 96.9% |
| Rhode Island | 17 of 29 | 58.6% |
| South Carolina | 63 of 89 | 70.8% |
| South Dakota | 23 of 30 | 76.7% |
| Tennessee | 108 of 156 | 69.2% |
| Texas | 324 of 407 | 79.6% |
| U.S. Virgin Islands | 0 of 1 | 0% |
| Utah | 33 of 53 | 62.3% |
| Vermont | 3 of 14 | 21.4% |
| Virginia | 96 of 144 | 66.7% |
| Washington | 87 of 114 | 76.3% |
| West Virginia | 48 of 69 | 69.6% |
| Wisconsin | 74 of 96 | 77.1% |
| Wyoming | 2 of 13 | 15.4% |
Medicare Part D paid for 501,615 30-day fills of Colesevelam in 2024 for about 73,099 enrollees, at an average total cost of $97.66 per 30-day fill (CMS Part D Prescribers by Geography and Drug, national).
Price Colesevelam and the rest of a client's list on every plan in their county.
Estimate Colesevelam costs by plan
Free tools for licensed insurance agents. Data from CMS public files; verify with plan documents before advising a client.
Counts are over every Medicare Advantage drug plan and stand-alone Part D plan in the CMS monthly formulary files, excluding employer plans. A plan counts as covering a drug when any strength or form of it is on the plan’s formulary; the tier, prior authorization, step therapy and quantity limit shown are the most favorable version on that formulary. Copays are for a 30-day supply at a preferred retail pharmacy after the deductible. This is a reference for licensed agents, not a plan recommendation; verify with the plan’s formulary before advising a client. Source: CMS Part D formulary files (release 10/08/2026). CMS formulary data.