sodium oxybate 500 MG/ML Oral Solution [Xyrem]

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sodium oxybate

RxCUI: 352257

Important: Drug coverage and costs vary by plan and location. Verify coverage directly with your Medicare plan before filling a prescription. This is informational data only and should not replace advice from your healthcare provider or pharmacist.
0.7%
Plan Coverage
38
Plans Covering
T5
Avg Tier
100%
Prior Auth Required

What the CMS Formulary Data Shows for sodium oxybate 500 MG/ML Oral Solution [Xyrem]

Per the CMS 2026 Part D formulary file, sodium oxybate 500 MG/ML Oral Solution [Xyrem] (RxNorm concept RXCUI 352257, generic name sodium oxybate) appears on 8 distinct formulary files spanning 38 Medicare Part D plan offerings - 0.7% of enrollable Part D products, selective placement; verify formulary inclusion before enrolling. Tier placement ranges from Tier 5 to Tier 5, with a cross-plan average of Tier 5.

Real-world access to sodium oxybate 500 MG/ML Oral Solution [Xyrem] depends on utilization management as much as tier placement: 100% of covering formularies require prior authorization. 0% require step therapy. 87.5% apply quantity limits.

Historical spending context from the CMS Medicare Part D Drug Spending Dashboard shows 855 Part D beneficiaries filled sodium oxybate 500 MG/ML Oral Solution [Xyrem] in 2023, with total plan-and-beneficiary spending of $98,471,849 and an average per-beneficiary annual cost of $115,171.75. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry sodium oxybate 500 MG/ML Oral Solution [Xyrem] today.

Coverage Details

Formularies covering
8
Plans covering
38
Coverage rate
0.7%
Tier range
Tier 5, Specialty
Average tier
Tier 5, Specialty

Restrictions

Prior authorization required
100% of formularies
Step therapy required
0% of formularies
Quantity limits
87.5% of formularies

2023 Medicare Spending

Beneficiaries
855
Total spending
$98,471,849
Avg per beneficiary
$115,171.75

Tier Distribution Across Plans

38 plans
Tier 5, Specialty

Medicare Advantage Plans (MA-PD) Covering sodium oxybate 500 MG/ML Oral Solution [Xyrem]

38 Medicare Advantage plans with Part D drug coverage include this drug.

Plan Insurer Tier PA Premium States
Presbyterian Senior Care Plan 2 with Rx (HMO) PRESBYTERIAN HEALTH PLAN T5 Yes $0 NM
Presbyterian Dual Plus (HMO D-SNP) PRESBYTERIAN HEALTH PLAN T5 Yes $0 NM
Presbyterian Senior Care Extra Health Plan with Rx (HMO) PRESBYTERIAN HEALTH PLAN T5 Yes $0 NM
Prominence Plus (HMO) PROMINENCE HEALTHFIRST T5 Yes $0 NV
Prominence Plus (HMO) PROMINENCE HEALTHFIRST T5 Yes $0 NV
Prominence Dual (HMO D-SNP) PROMINENCE HEALTHFIRST T5 Yes $0 NV
Prominence Dual (HMO D-SNP) PROMINENCE HEALTHFIRST T5 Yes $0 NV
Prominence Giveback (HMO) PROMINENCE HEALTHFIRST T5 Yes $0 NV
Prominence Plus (HMO) PROMINENCE HEALTHFIRST OF FLORIDA INC T5 Yes $0 FL
Prominence Giveback (HMO) PROMINENCE HEALTHFIRST OF FLORIDA INC T5 Yes $0 FL
Prominence Plus (HMO) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $0 TX
Prominence Plus (HMO) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $0 TX
Prominence Dual (HMO D-SNP) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $0 TX
Prominence Extra Help (HMO) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $0 TX
Prominence Beyond (HMO) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $0 TX
Prominence Giveback (HMO) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $0 TX
Prominence Giveback (HMO) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $0 TX
Prominence Dual (HMO D-SNP) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $0 TX
Prominence Beyond (HMO-POS) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $0 TX
Prominence Dual (HMO D-SNP) PROMINENCE HEALTHFIRST OF FLORIDA INC T5 Yes $0 FL
Prominence Diabetes and Heart Giveback (HMO C-SNP) PROMINENCE HEALTHFIRST T5 Yes $0 NV
Prominence Diabetes and Heart Giveback (HMO C-SNP) PROMINENCE HEALTHFIRST OF FLORIDA INC T5 Yes $0 FL
Prominence Diabetes and Heart Giveback (HMO C-SNP) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $0 TX
Prominence Diabetes and Heart Care Plus (HMO C-SNP) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $0 TX
Prominence Diabetes and Heart Giveback (HMO C-SNP) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $0 TX
CareOregon Advantage Plus (HMO D-SNP) HEALTH PLAN OF CAREOREGON, INC. T5 Yes $0 OR
Prominence Extra Help (HMO) PROMINENCE HEALTHFIRST T5 Yes $4.20 NV
Prominence Extra Help (HMO) PROMINENCE HEALTHFIRST OF FLORIDA INC T5 Yes $4.80 FL
Prominence Extra Help (HMO) PROMINENCE HEALTHFIRST OF TEXAS T5 Yes $4.80 TX
Prominence Extra Help (HMO) PROMINENCE HEALTHFIRST T5 Yes $9.50 NV
Samaritan Dual Advantage (HMO D-SNP) SAMARITAN HEALTH PLANS, INC. T5 Yes $10.50 OR
Keystone 65 Select Rx (HMO) KEYSTONE HEALTH PLAN EAST, INC. T5 Yes $47.00 PA
Keystone 65 Preferred Rx (HMO) KEYSTONE HEALTH PLAN EAST, INC. T5 Yes $59.70 PA
Keystone 65 Select Rx (HMO) KEYSTONE HEALTH PLAN EAST, INC. T5 Yes $63.50 PA
Presbyterian Senior Care Plan 3 with Rx (HMO) PRESBYTERIAN HEALTH PLAN T5 Yes $65.80 NM
Keystone 65 Preferred Rx (HMO) KEYSTONE HEALTH PLAN EAST, INC. T5 Yes $79.70 PA
Personal Choice 65 Rx (PPO) QCC INSURANCE COMPANY T5 Yes $102.20 PA
Personal Choice 65 Rx (PPO) QCC INSURANCE COMPANY T5 Yes $112.70 PA

Frequently Asked Questions

Is sodium oxybate 500 MG/ML Oral Solution [Xyrem] covered by Medicare Part D?

Yes, sodium oxybate 500 MG/ML Oral Solution [Xyrem] is covered by 38 Medicare Part D plans (0.7% of all Part D formularies).

What tier is sodium oxybate 500 MG/ML Oral Solution [Xyrem] on Medicare Part D plans?

sodium oxybate 500 MG/ML Oral Solution [Xyrem] averages Tier 5 across Part D plans, ranging from Tier 5 to Tier 5.

Does sodium oxybate 500 MG/ML Oral Solution [Xyrem] require prior authorization?

100% of Part D formularies require prior authorization for sodium oxybate 500 MG/ML Oral Solution [Xyrem]. Step therapy: 0%. Quantity limits: 87.5%.

How much does Medicare spend on sodium oxybate 500 MG/ML Oral Solution [Xyrem]?

In 2023, total Medicare Part D spending on sodium oxybate 500 MG/ML Oral Solution [Xyrem] was $98,471,849, covering 855 beneficiaries. The average spend per beneficiary was $115,171.75.

Data sourced from the Centers for Medicare & Medicaid Services (CMS). See our methodology for details. Retrieved and formatted by PlainMedicare Editorial