Medicare Part D coverage · levothyroxine sodium · RxCUI 966233
levothyroxine sodium 0.1 MG Oral Tablet [Unithroid]
Per the CMS 2026 Part D formulary file, levothyroxine sodium 0.1 MG Oral Tablet [Unithroid] is covered by 4,507 Medicare Part D plans (89.2% of enrollable products), averaging Tier 2, with prior authorization required on 0% of covering formularies.
- 89.2%
- Plan coverage
- 4,507
- Plans covering
- T2
- Avg tier
- 0%
- Prior auth required
What the CMS Formulary Data Shows for levothyroxine sodium 0.1 MG Oral Tablet [Unithroid]
Per the CMS 2026 Part D formulary file, levothyroxine sodium 0.1 MG Oral Tablet [Unithroid] (RxNorm concept RXCUI 966233, generic name levothyroxine sodium) appears on 226 distinct formulary files spanning 4,507 Medicare Part D plan offerings - 89.2% of enrollable Part D products, near-universal placement. Tier placement ranges from Tier 1 to Tier 4, with a cross-plan average of Tier 2.
Real-world access to levothyroxine sodium 0.1 MG Oral Tablet [Unithroid] 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 8,687,969 Part D beneficiaries filled levothyroxine sodium 0.1 MG Oral Tablet [Unithroid] in 2023, with total plan-and-beneficiary spending of $653,580,460 and an average per-beneficiary annual cost of $75.23. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry levothyroxine sodium 0.1 MG Oral Tablet [Unithroid] today.
Coverage Details
- Formularies covering
- 226
- Plans covering
- 4,507
- Coverage rate
- 89.2%
- Tier range
- Tier 1 – Tier 4
- Average tier
- Tier 2, Generic
Restrictions
- Prior authorization required
- 0% of formularies
- Step therapy required
- 0% of formularies
- Quantity limits
- 0% of formularies
2023 Medicare Spending
- Beneficiaries
- 8,687,969
- Total spending
- $653,580,460
- Avg per beneficiary
- $75.23
Tier Distribution Across Plans
Medicare Advantage Plans (MA-PD) Covering levothyroxine sodium 0.1 MG Oral Tablet [Unithroid]
100 Medicare Advantage plans with Part D drug coverage include this drug.
| Plan | Insurer | Tier | PA | Premium | States |
|---|---|---|---|---|---|
| Aetna Medicare Signature (HMO) | Aetna Health OF California Inc. | T1 | No | $0 | CA |
| Aetna Medicare Signature (HMO) | Aetna Health OF California Inc. | T1 | No | $0 | CA |
| Aetna Medicare Signature Extra (HMO-POS) | Aetna Health OF California Inc. | T1 | No | $0 | CA |
| Aetna Medicare Prime (HMO-POS) | Aetna Health OF California Inc. | T1 | No | $0 | CA |
| Aetna Medicare Prime (HMO-POS) | Aetna Health OF California Inc. | T1 | No | $0 | CA |
| Aetna Medicare Prime (HMO-POS) | Aetna Health OF California Inc. | T1 | No | $0 | CA |
| Aetna Medicare Signature Extra (HMO) | Aetna Health OF California Inc. | T1 | No | $0 | CA |
| Aetna Medicare Prime (HMO-POS) | Aetna Health OF California Inc. | T1 | No | $0 | CA |
| Aetna Medicare Signature Extra (HMO) | Aetna Health OF California Inc. | T1 | No | $0 | CA |
| Aetna Medicare Signature Extra (HMO) | Aetna Health OF California Inc. | T1 | No | $0 | CA |
| Aetna Medicare Signature Extra (HMO) | Aetna Health OF California Inc. | T1 | No | $0 | CA |
| Aetna Medicare Signature Care (HMO-POS) | Aetna Health OF Ohio Inc. | T1 | No | $0 | OH |
| Aetna Medicare Signature Extra (HMO-POS) | Aetna Health OF Ohio Inc. | T1 | No | $0 | OH |
| Aetna Medicare Signature Care (HMO-POS) | Aetna Health OF Ohio Inc. | T1 | No | $0 | OH |
| Aetna Medicare Signature Extra (HMO-POS) | Aetna Health OF Ohio Inc. | T1 | No | $0 | KY |
| Aetna Medicare Signature (HMO-POS) | Aetna Health OF Ohio Inc. | T1 | No | $0 | KY |
| Aetna Medicare Signature (HMO-POS) | Aetna Health OF Ohio Inc. | T1 | No | $0 | KY |
| Aetna Medicare HIDE (HMO D-SNP) | Aetna Health OF Ohio Inc. | T1 | No | $0 | KY |
| Aetna Medicare Dual Care (HMO D-SNP) | Aetna Health OF Ohio Inc. | T1 | No | $0 | OH |
| Aetna Medicare Signature Care (HMO-POS) | Aetna Health OF Ohio Inc. | T1 | No | $0 | OH |
Show the next 30 plans
| Aetna Medicare Signature (HMO-POS) | Aetna Health OF Ohio Inc. | T1 | No | $0 | OH |
| Aetna Medicare Signature (HMO-POS) | Aetna Health OF Ohio Inc. | T1 | No | $0 | KY |
| Aetna Medicare Partial Dual (HMO D-SNP) | Aetna Health OF Ohio Inc. | T1 | No | $0 | KY |
| Aetna Medicare Partial Dual (HMO D-SNP) | Aetna Health OF Ohio Inc. | T1 | No | $0 | OH |
| Aetna Medicare Signature (HMO) | Aetna Health Inc. (GA) | T1 | No | $0 | GA |
| Aetna Medicare Signature (HMO-POS) | Coventry Health Care OF Illinois, Inc. | T1 | No | $0 | WI |
| Aetna Medicare Signature (HMO-POS) | Coventry Health Care OF Illinois, Inc. | T1 | No | $0 | IL |
| Aetna Medicare Prime Chronic Care (HMO C-SNP) | Coventry Health Care OF Illinois, Inc. | T1 | No | $0 | IL |
| Aetna Medicare Signature Extra (HMO-POS) | Coventry Health Care OF Illinois, Inc. | T1 | No | $0 | IL |
| Aetna Medicare Signature (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | IA |
| Aetna Medicare Signature (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | NE |
| Aetna Medicare Signature (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | KS, MO |
| Aetna Medicare Signature Extra (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | KS |
| Aetna Medicare Signature (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | KS, MO |
| Aetna Medicare Signature Plus (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | AR |
| Aetna Medicare Signature (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | KS |
| Aetna Medicare Advantra (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | OH |
| Aetna Medicare Advantra Signature Giveback (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | WV |
| Aetna Medicare Elite (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | IA |
| Aetna Medicare Signature Extra (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | NE |
| Aetna Medicare Advantra Signature (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | WV |
| Aetna Medicare Elite (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | IL, MO |
| Aetna Medicare Signature (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | MO |
| Aetna Medicare Elite (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | KS, MO |
| Aetna Medicare Elite (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | AR |
| Aetna Medicare Dual (PPO D-SNP) | Coventry Health AND Life Insurance Company | T1 | No | $0 | SD |
| Aetna Medicare Signature (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | MO |
| Aetna Medicare Signature (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | KS |
| Aetna Medicare Signature (PPO) | Coventry Health AND Life Insurance Company | T1 | No | $0 | KS |
| Aetna Medicare Dual Extra (PPO D-SNP) | Coventry Health AND Life Insurance Company | T1 | No | $0 | AR |
Showing top 50 of 100 plans.
Frequently Asked Questions
Is levothyroxine sodium 0.1 MG Oral Tablet [Unithroid] covered by Medicare Part D?
Yes, levothyroxine sodium 0.1 MG Oral Tablet [Unithroid] is covered by 4,507 Medicare Part D plans (89.2% of all Part D formularies).
What tier is levothyroxine sodium 0.1 MG Oral Tablet [Unithroid] on Medicare Part D plans?
levothyroxine sodium 0.1 MG Oral Tablet [Unithroid] averages Tier 2 across Part D plans, ranging from Tier 1 to Tier 4.
Does levothyroxine sodium 0.1 MG Oral Tablet [Unithroid] require prior authorization?
0% of Part D formularies require prior authorization for levothyroxine sodium 0.1 MG Oral Tablet [Unithroid]. Step therapy: 0%. Quantity limits: 0%.
How much does Medicare spend on levothyroxine sodium 0.1 MG Oral Tablet [Unithroid]?
In 2023, total Medicare Part D spending on levothyroxine sodium 0.1 MG Oral Tablet [Unithroid] was $653,580,460, covering 8,687,969 beneficiaries. The average spend per beneficiary was $75.23.
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
- phenytoin 25 MG/ML Oral Suspension T2
- clotrimazole 10 MG/ML Topical Solution T2
- {24 (ethinyl estradiol 0.02 MG / norethindrone acetate 1 MG Chewable Tablet) / 4 (ferrous fumarate 75 MG Oral Tablet) } Pack T2
- bumetanide 2 MG Oral Tablet T2
- celecoxib 50 MG Oral Capsule T2
- dicloxacillin 250 MG Oral Capsule T2
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