Medicare Part D coverage · trihexyphenidyl hydrochloride · RxCUI 905273
trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution
Per the CMS 2026 Part D formulary file, trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution is covered by 3,953 Medicare Part D plans (78.2% of enrollable products), averaging Tier 2.3, with prior authorization required on 15.8% of covering formularies.
- 78.2%
- Plan coverage
- 3,953
- Plans covering
- T2.3
- Avg tier
- 15.8%
- Prior auth required
What the CMS Formulary Data Shows for trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution
Per the CMS 2026 Part D formulary file, trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution (RxNorm concept RXCUI 905273, generic name trihexyphenidyl hydrochloride) appears on 165 distinct formulary files spanning 3,953 Medicare Part D plan offerings - 78.2% of enrollable Part D products, mid-range placement; shopping across contracts changes access. Tier placement ranges from Tier 1 to Tier 4, with a cross-plan average of Tier 2.3.
Real-world access to trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution depends on utilization management as much as tier placement: 15.8% 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 31,777 Part D beneficiaries filled trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution in 2023, with total plan-and-beneficiary spending of $3,377,997 and an average per-beneficiary annual cost of $106.30. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution today.
Coverage Details
- Formularies covering
- 165
- Plans covering
- 3,953
- Coverage rate
- 78.2%
- Tier range
- Tier 1 – Tier 4
- Average tier
- Tier 2, Generic
Restrictions
- Prior authorization required
- 15.8% of formularies
- Step therapy required
- 0% of formularies
- Quantity limits
- 0% of formularies
2023 Medicare Spending
- Beneficiaries
- 31,777
- Total spending
- $3,377,997
- Avg per beneficiary
- $106.30
Tier Distribution Across Plans
Medicare Advantage Plans (MA-PD) Covering trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution
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 |
| Freedom VIP Care (HMO C-SNP) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom VIP Savings (HMO C-SNP) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom VIP Savings (HMO C-SNP) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom VIP Rewards (HMO C-SNP) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom VIP Rewards (HMO C-SNP) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Optimum Diamond Rewards (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Optimum Diamond Savings (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Optimum Diamond Rewards (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Optimum Diamond (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Freedom Medi-Medi Partial (HMO D-SNP) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Medi-Medi Full (HMO D-SNP) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Optimum Emerald Partial (HMO D-SNP) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Optimum Emerald Full (HMO D-SNP) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Freedom Medicare Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Medicare Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom VIP Savings COPD (HMO C-SNP) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom VIP Savings COPD (HMO C-SNP) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
Show the next 30 plans
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Máximo (HMO-POS) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Freedom Máximo (HMO-POS) | Freedom Health, Inc. | T1 | Yes | $0 | FL |
| Optimum Gold Rewards Plan (HMO) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Optimum Platinum Plan (HMO) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Optimum Gold Plan (HMO) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Optimum Gold Rewards Plan (HMO) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Optimum Gold Rewards Plan (HMO) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Optimum Diamond Rewards COPD (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Optimum Diamond Savings COPD (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Optimum Gold Plus Plan (HMO) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Optimum Diamond Rewards COPD (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | Yes | $0 | FL |
| Florida Complete Care-Duals VIP (HMO-POS D-SNP) | Hpmp OF Florida, Inc. | T1 | No | $0 | FL |
| Mercy Care Advantage (HMO D-SNP) | Mercy Care | T1 | No | $0 | AZ |
| Mercy Care Advantage (HMO D-SNP) | Mercy Care | T1 | No | $0 | AZ |
| Mercy Care Advantage (HMO D-SNP) | Mercy Care | T1 | No | $0 | AZ |
| Elderplan Plus Long-Term Care (HMO-POS D-SNP) | Elderplan, Inc. | T1 | No | $0 | NY |
| Health Choice Pathway (HMO D-SNP) | Health Choice Arizona, Inc. | T1 | No | $0 | AZ |
| Healthfirst CompleteCare (HMO D-SNP) | Healthfirst Health Plan, Inc. | T1 | No | $0 | NY |
| IMCare Classic (HMO D-SNP) | Itasca Medical Care | T1 | No | $0 | MN |
| Johns Hopkins Advantage MD D-SNP (HMO D-SNP) | Hopkins Health Advantage, Inc. | T1 | No | $0 | MD |
Showing top 50 of 100 plans.
Frequently Asked Questions
Is trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution covered by Medicare Part D?
Yes, trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution is covered by 3,953 Medicare Part D plans (78.2% of all Part D formularies).
What tier is trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution on Medicare Part D plans?
trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution averages Tier 2.3 across Part D plans, ranging from Tier 1 to Tier 4.
Does trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution require prior authorization?
15.8% of Part D formularies require prior authorization for trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution. Step therapy: 0%. Quantity limits: 0%.
How much does Medicare spend on trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution?
In 2023, total Medicare Part D spending on trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution was $3,377,997, covering 31,777 beneficiaries. The average spend per beneficiary was $106.30.
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
- 0.5 ML Bordetella pertussis filamentous hemagglutinin vaccine, inactivated 0.01 MG/ML / Bordetella pertussis fimbriae 2/3 vaccine, inactivated 0.01 MG/ML / Bordetella pertussis pertactin vaccine, inactivated 0.006 MG/ML / Bordetella pertussis toxoid vaccine, inactivated 0.02 MG/ML / diphtheria toxoid vaccine, inactivated 30 UNT/ML / tetanus toxoid vaccine, inactivated 10 UNT/ML Injection [Daptacel] T2.3
- 24 HR glipizide 2.5 MG Extended Release Oral Tablet T2.3
- gentamicin 1 MG/ML Topical Cream T2.3
- human-bovine reassortant rotavirus strain G1 vaccine 1100000 UNT/ML / human-bovine reassortant rotavirus strain G2 vaccine 1400000 UNT/ML / human-bovine reassortant rotavirus strain G3 vaccine 1100000 UNT/ML / human-bovine reassortant rotavirus strain G4 vaccine 1000000 UNT/ML / human-bovine reassortant rotavirus strain P1A[8] vaccine 1150000 UNT/ML Oral Suspension [RotaTeq] T2.3
- irbesartan 75 MG Oral Tablet T2.3
- morphine sulfate 60 MG Extended Release Oral Tablet T2.3
Similar prior-authorization rate
- procarbazine 50 MG Oral Capsule [Matulane] 15.9% PA
- eslicarbazepine acetate 600 MG Oral Tablet 15.9% PA
- eslicarbazepine acetate 400 MG Oral Tablet 15.9% PA
- eslicarbazepine acetate 200 MG Oral Tablet 15.9% PA
- terbinafine 250 MG Oral Tablet 15.9% PA
- albendazole 200 MG Oral Tablet 15.9% PA