Does Excellus Health Plan, INC. require prior authorization for Dilantin?
Excellus Health Plan, INC. does not require prior authorization for Dilantin on the Medicare Part D plans that cover it.
No covering plan from this payer files a prior-authorization requirement for this drug.
- This drug does not appear on any of this payer's Medicare Part D formularies. That means it is NOT COVERED under those plans — which is a different and generally worse outcome than requiring prior authorization. An exception or formulary-exception request may still be possible.
By product strength
| RxNorm product | Plans covering | Require prior auth | Step therapy | Qty limit | Status |
|---|---|---|---|---|---|
| phenytoin 25 MG/ML Oral Suspension [Dilantin]1313884 | 0 / 16 | 0 | 0 | 0 | Not on formulary |
| phenytoin 50 MG Chewable Tablet [Dilantin]1313887 | 16 / 16 | 0 | 0 | 0 | No prior authorization |
| phenytoin sodium 100 MG Extended Release Oral Capsule [Dilantin]855673 | 16 / 16 | 0 | 0 | 0 | No prior authorization |
| phenytoin sodium 30 MG Extended Release Oral Capsule [Dilantin]855871 | 16 / 16 | 0 | 0 | 0 | No prior authorization |
Product names come from RxNorm (U.S. National Library of Medicine).
Plan-by-plan detail — phenytoin 50 MG Chewable Tablet [Dilantin]
Dilantin has 4 products in the corpus; this table is for phenytoin 50 MG Chewable Tablet [Dilantin], the one carried on the most plans. The product table above covers every strength.
| Plan | Contract | Tier | Prior auth | Step therapy | Qty limit |
|---|---|---|---|---|---|
| Medicare Blue Choice Core (HMO) | H3351-022 | 4 | No | No | No |
| Medicare Blue Choice Optimum (HMO-POS) | H3351-006 | 4 | No | No | No |
| Medicare Blue Choice Prime (HMO) | H3351-023 | 4 | No | No | No |
| Medicare BlueActive (PPO) | H3335-055 | 4 | No | No | No |
| Medicare BlueBalanced (PPO) | H3335-062 | 4 | No | No | No |
| Medicare BlueClassic (PPO) | H3335-038 | 4 | No | No | No |
| Medicare BlueEnhanced (PPO) | H3335-015 | 4 | No | No | No |
| Medicare BlueEssential (PPO) | H3335-053 | 4 | No | No | No |
| Medicare BluePlus (PPO) | H3335-018 | 4 | No | No | No |
| Medicare BlueVital (PPO) | H3335-061 | 4 | No | No | No |
| Univera SeniorChoice Advanced (HMO-POS) | H3351-019 | 4 | No | No | No |
| Univera SeniorChoice Basic (HMO) | H3351-017 | 4 | No | No | No |
| Univera SeniorChoice Core (PPO) | H3335-060 | 4 | No | No | No |
| Univera SeniorChoice Extra (HMO) | H3351-020 | 4 | No | No | No |
| Univera SeniorChoice Secure (HMO-POS) | H3351-002 | 4 | No | No | No |
| Univera SeniorChoice Value Plus (HMO-POS) | H3351-012 | 4 | No | No | No |
- Effective
- 2026-06-30
- Retrieved
- 2026-07-19
- SHA-256
- e626e6bcda1aa6a0071e6f0df6bafe686ae41842cdf0a9feffdc649b6d3ff3ae
We publish the hash of the exact file we ingested so any answer can be audited against the bytes CMS served that day.
Dilantin at other payers
Administrative information only. Benefily reports what a payer has published in its own prior-authorization policy as of the effective date shown. It is not medical advice, not a coverage or payment guarantee, and not an authorization. Requirements vary by plan, place of service and member benefits — always verify with the payer before rendering service.