Medicare Part D coverage · lamotrigine · RxCUI 198427
lamotrigine 100 MG Oral Tablet
Per the CMS 2026 Part D formulary file, lamotrigine 100 MG Oral Tablet is covered by 5,052 Medicare Part D plans (100% of enrollable products), averaging Tier 1.4, with prior authorization required on 0% of covering formularies.
- 100%
- Plan coverage
- 5,052
- Plans covering
- T1.4
- Avg tier
- 0%
- Prior auth required
What the CMS Formulary Data Shows for lamotrigine 100 MG Oral Tablet
Per the CMS 2026 Part D formulary file, lamotrigine 100 MG Oral Tablet (RxNorm concept RXCUI 198427, generic name lamotrigine) appears on 328 distinct formulary files spanning 5,052 Medicare Part D plan offerings - 100% of enrollable Part D products, near-universal placement. Tier placement ranges from Tier 1 to Tier 6, with a cross-plan average of Tier 1.4.
Real-world access to lamotrigine 100 MG Oral Tablet depends on utilization management as much as tier placement: 0% of covering formularies require prior authorization. 0% require step therapy. 0% apply quantity limits.
Historical spending context from the CMS Medicare Part D Drug Spending Dashboard shows 611,083 Part D beneficiaries filled lamotrigine 100 MG Oral Tablet in 2023, with total plan-and-beneficiary spending of $70,895,194 and an average per-beneficiary annual cost of $116.02. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry lamotrigine 100 MG Oral Tablet today.
Coverage Details
- Formularies covering
- 328
- Plans covering
- 5,052
- Coverage rate
- 100%
- Tier range
- Tier 1 – Tier 6
- Average tier
- Tier 1, Preferred Generic
Restrictions
- Prior authorization required
- 0% of formularies
- Step therapy required
- 0% of formularies
- Quantity limits
- 0% of formularies
2023 Medicare Spending
- Beneficiaries
- 611,083
- Total spending
- $70,895,194
- Avg per beneficiary
- $116.02
Tier Distribution Across Plans
Medicare Advantage Plans (MA-PD) Covering lamotrigine 100 MG Oral Tablet
100 Medicare Advantage plans with Part D drug coverage include this drug.
| Plan | Insurer | Tier | PA | Premium | States |
|---|---|---|---|---|---|
| Sentara Community Complete Select (HMO D-SNP) | Sentara Health Plans | T1 | No | $0 | VA |
| Sentara Community Complete (HMO D-SNP) | Sentara Health Plans | T1 | No | $0 | VA |
| Wellpoint Medicare Advantage (HMO-POS) | Wellpoint West Virginia , Inc. | T1 | No | $0 | WV |
| Anthem Medicare Advantage 3 (HMO-POS) | Healthkeepers, Inc. | T1 | No | $0 | VA |
| Anthem Medicare Advantage 3 (HMO-POS) | Healthkeepers, Inc. | T1 | No | $0 | VA |
| Anthem Medicare Advantage 3 (HMO-POS) | Healthkeepers, Inc. | T1 | No | $0 | VA |
| Wellpoint Medicare Advantage 2 (HMO-POS) | Wellpoint Tennessee, Inc. | T1 | No | $0 | TN |
| Wellpoint Medicare Advantage 2 (HMO-POS) | Wellpoint Tennessee, Inc. | T1 | No | $0 | TN |
| Wellpoint Medicare Advantage 2 (HMO-POS) | Wellpoint Tennessee, Inc. | T1 | No | $0 | TN |
| Wellpoint Medicare Advantage 2 (HMO-POS) | Wellpoint Tennessee, Inc. | T1 | No | $0 | TN |
| Anthem Select (HMO-POS) | Blue Cross OF California | T1 | No | $0 | CA |
| Anthem Medicare Advantage (HMO-POS) | Blue Cross OF California | T1 | No | $0 | CA |
| Anthem Medicare Advantage (HMO-POS) | Blue Cross OF California | T1 | No | $0 | CA |
| Anthem Medicare Advantage (HMO-POS) | Blue Cross OF California | T1 | No | $0 | CA |
| Anthem Select (HMO-POS) | Blue Cross OF California | T1 | No | $0 | CA |
| Anthem Select (HMO-POS) | Blue Cross OF California | T1 | No | $0 | CA |
| Anthem Select (HMO-POS) | Blue Cross OF California | T1 | No | $0 | CA |
| Anthem Medicare Advantage (HMO-POS) | Blue Cross OF California | T1 | No | $0 | CA |
| Anthem Select (HMO-POS) | Blue Cross OF California | T1 | No | $0 | CA |
| Anthem Medicare Advantage (HMO-POS) | Blue Cross OF California | T1 | No | $0 | CA |
Show the next 30 plans
| Wellpoint Medicare Advantage (HMO-POS) | Wellpoint Health Plans, Inc. | T1 | No | $0 | AZ |
| Anthem Prime (HMO-POS) | Blue Cross OF California Partnership Plan, Inc. | T1 | No | $0 | CA |
| Anthem Prime (HMO-POS) | Blue Cross OF California Partnership Plan, Inc. | T1 | No | $0 | CA |
| Anthem Prime (HMO-POS) | Blue Cross OF California Partnership Plan, Inc. | T1 | No | $0 | CA |
| Anthem Prime (HMO-POS) | Blue Cross OF California Partnership Plan, Inc. | T1 | No | $0 | CA |
| Anthem Prime (HMO-POS) | Blue Cross OF California Partnership Plan, Inc. | T1 | No | $0 | CA |
| Anthem Prime (HMO-POS) | Blue Cross OF California Partnership Plan, Inc. | T1 | No | $0 | CA |
| Anthem Prime (HMO-POS) | Blue Cross OF California Partnership Plan, Inc. | T1 | No | $0 | CA |
| Anthem Prime (HMO-POS) | Blue Cross OF California Partnership Plan, Inc. | T1 | No | $0 | CA |
| Anthem Medicare Advantage (HMO-POS) | HMO Colorado, Inc. | T1 | No | $0 | NV |
| Anthem Full Dual Advantage (HMO D-SNP) | HMO Colorado, Inc. | T1 | No | $0 | NV |
| Anthem Full Dual Advantage 2 (HMO D-SNP) | HMO Colorado, Inc. | T1 | No | $0 | NV |
| Anthem Full Dual Advantage Aligned (HMO D-SNP) | Blue Cross OF California Partnership Plan, Inc. | T1 | No | $0 | CA |
| Freedom VIP Care (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom VIP Savings (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom VIP Savings (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom VIP Rewards (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom VIP Rewards (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Optimum Diamond Rewards (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Diamond Savings (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Diamond Rewards (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Diamond (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Freedom Medi-Medi Partial (HMO D-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Medi-Medi Full (HMO D-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Optimum Emerald Partial (HMO D-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Emerald Full (HMO D-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Freedom Medicare Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Medicare Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom VIP Savings COPD (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom VIP Savings COPD (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
Showing top 50 of 100 plans.
Frequently Asked Questions
Is lamotrigine 100 MG Oral Tablet covered by Medicare Part D?
Yes, lamotrigine 100 MG Oral Tablet is covered by 5,052 Medicare Part D plans (100% of all Part D formularies).
What tier is lamotrigine 100 MG Oral Tablet on Medicare Part D plans?
lamotrigine 100 MG Oral Tablet averages Tier 1.4 across Part D plans, ranging from Tier 1 to Tier 6.
Does lamotrigine 100 MG Oral Tablet require prior authorization?
0% of Part D formularies require prior authorization for lamotrigine 100 MG Oral Tablet. Step therapy: 0%. Quantity limits: 0%.
How much does Medicare spend on lamotrigine 100 MG Oral Tablet?
In 2023, total Medicare Part D spending on lamotrigine 100 MG Oral Tablet was $70,895,194, covering 611,083 beneficiaries. The average spend per beneficiary was $116.02.
Read our methodology - how this data is sourced, computed, and verified.
Nationwide similar Part D drugs
Data-derived peers across the CMS Part D formulary extract: nearest average tier placement and nearest prior-authorization rate. Not therapeutic alternatives or same-generic strengths.
Closest average formulary tier
Similar prior-authorization rate
- metronidazole 10 MG/ML Topical Cream [Noritate] 0% PA
- 24 HR minocycline 40 MG Extended Release Oral Capsule [Emrosi] 0% PA
- buspirone hydrochloride 10 MG Oral Capsule [Bucapsol] 0% PA
- diflunisal 375 MG Oral Tablet [Dolobid] 0% PA
- hydrocortisone 1 MG/ML Oral Solution [Khindivi] 0% PA
- indomethacin 50 MG Rectal Suppository [Indocin] 0% PA