ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa]
ceftolozane
RxCUI: 1597620
What the CMS Formulary Data Shows for ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa]
Per the CMS 2026 Part D formulary file, ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] (RxNorm concept RXCUI 1597620, generic name ceftolozane) appears on 16 distinct formulary files spanning 201 Medicare Part D plan offerings - 4% of enrollable Part D products, selective placement; verify formulary inclusion before enrolling. Tier placement ranges from Tier 1 to Tier 5, with a cross-plan average of Tier 3.6.
Real-world access to ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] depends on utilization management as much as tier placement: 6.3% 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 967 Part D beneficiaries filled ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] in 2023, with total plan-and-beneficiary spending of $12,776,957 and an average per-beneficiary annual cost of $13,212.99. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] today.
Coverage Details
- Formularies covering
- 16
- Plans covering
- 201
- Coverage rate
- 4%
- Tier range
- Tier 1 – Tier 5
- Average tier
- Tier 4, Non-Preferred
Restrictions
- Prior authorization required
- 6.3% of formularies
- Step therapy required
- 0% of formularies
- Quantity limits
- 0% of formularies
2023 Medicare Spending
- Beneficiaries
- 967
- Total spending
- $12,776,957
- Avg per beneficiary
- $13,212.99
Tier Distribution Across Plans
Medicare Advantage Plans (MA-PD) Covering ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa]
100 Medicare Advantage plans with Part D drug coverage include this drug.
| Plan | Insurer | Tier | PA | Premium | States |
|---|---|---|---|---|---|
| Mass General Brigham SCO (HMO D-SNP) | MASS GENERAL BRIGHAM HEALTH PLAN, INC | T1 | No | $0 | MA |
| Mass General Brigham One Care (HMO D-SNP) | MASS GENERAL BRIGHAM HEALTH PLAN, INC | T1 | No | $0 | MA |
| American Health Advantage of Florida (HMO I-SNP) | AMERICAN HEALTH PLAN OF FL, INC. | T1 | No | $4.80 | FL |
| American Health Advantage of Mississippi (HMO I-SNP) | AMERICAN HEALTH PLAN OF MS, INC. | T1 | No | $23.80 | MS |
| Georgia Health Advantage (HMO I-SNP) | GEORGIA ASSURANCE, INC. | T1 | No | $25.40 | GA |
| Georgia Health Advantage Choice (HMO I-SNP) | GEORGIA ASSURANCE, INC. | T1 | No | $25.40 | GA |
| American Health Advantage of Tennessee (HMO I-SNP) | AMERICAN HEALTH PLAN, INC. | T1 | No | $27.70 | TN |
| American Health Advantage of Oklahoma (HMO I-SNP) | OKLAHOMA SUPERIOR SELECT, INC. | T1 | No | $28.20 | OK |
| American Health Advantage of Pennsylvania (HMO I-SNP) | AMERICAN HEALTH PLAN OF PENNSYLVANIA INC | T1 | No | $32.70 | PA |
| American Health Advantage of Louisiana (HMO I-SNP) | DIGNITY CARE CORPORATION | T1 | No | $32.90 | LA |
| American Health Advantage of Utah (HMO I-SNP) | AMERICAN HEALTH PLAN OF UT, INC. | T1 | No | $37.60 | UT |
| American Health Advantage of Idaho (HMO I-SNP) | AMERICAN HEALTH PLAN OF UT, INC. | T1 | No | $37.60 | ID |
| American Health Advantage of Indiana (HMO I-SNP) | AMERICAN HEALTH PLAN OF INDIANA INC | T1 | No | $38.40 | IN |
| Iowa Health Advantage (HMO I-SNP) | AMERICAN HEALTH PLAN OF IOWA INC | T1 | No | $41.50 | IA |
| Iowa Health Advantage Choice (HMO I-SNP) | AMERICAN HEALTH PLAN OF IOWA INC | T1 | No | $41.50 | IA |
| American Health Advantage of Missouri (HMO I-SNP) | AMERICAN HEALTH PLAN OF MISSOURI, INC. | T1 | No | $43.00 | MO |
| American Health Advantage of Missouri Choice (HMO I-SNP) | AMERICAN HEALTH PLAN OF MISSOURI, INC. | T1 | No | $43.00 | MO |
| Kansas Health Advantage (HMO I-SNP) | KANSAS SUPERIOR SELECT, INC. | T1 | No | $55.20 | KS |
| Kansas Health Advantage Choice (HMO I-SNP) | KANSAS SUPERIOR SELECT, INC. | T1 | No | $55.20 | KS |
| CalOptima Health OneCare Complete (HMO D-SNP) | ORANGE COUNTY HEALTH AUTHORITY | T2 | Yes | $0 | CA |
| Freedom VIP Care (HMO C-SNP) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom VIP Savings (HMO C-SNP) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom VIP Savings (HMO C-SNP) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom VIP Rewards (HMO C-SNP) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom VIP Rewards (HMO C-SNP) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Optimum Diamond Rewards (HMO C-SNP) | OPTIMUM HEALTHCARE, INC. | T4 | No | $0 | FL |
| Optimum Diamond Savings (HMO C-SNP) | OPTIMUM HEALTHCARE, INC. | T4 | No | $0 | FL |
| Optimum Diamond Rewards (HMO C-SNP) | OPTIMUM HEALTHCARE, INC. | T4 | No | $0 | FL |
| Optimum Diamond (HMO C-SNP) | OPTIMUM HEALTHCARE, INC. | T4 | No | $0 | FL |
| Freedom Medi-Medi Partial (HMO D-SNP) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Medi-Medi Full (HMO D-SNP) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Optimum Emerald Partial (HMO D-SNP) | OPTIMUM HEALTHCARE, INC. | T4 | No | $0 | FL |
| Optimum Emerald Full (HMO D-SNP) | OPTIMUM HEALTHCARE, INC. | T4 | No | $0 | FL |
| Freedom Medicare Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Medicare Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom VIP Savings COPD (HMO C-SNP) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom VIP Savings COPD (HMO C-SNP) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Máximo (HMO-POS) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
| Freedom Máximo (HMO-POS) | FREEDOM HEALTH, INC. | T4 | No | $0 | FL |
Frequently Asked Questions
Is ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] covered by Medicare Part D?
Yes, ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] is covered by 201 Medicare Part D plans (4% of all Part D formularies).
What tier is ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] on Medicare Part D plans?
ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] averages Tier 3.6 across Part D plans, ranging from Tier 1 to Tier 5.
Does ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] require prior authorization?
6.3% of Part D formularies require prior authorization for ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa]. Step therapy: 0%. Quantity limits: 0%.
How much does Medicare spend on ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa]?
In 2023, total Medicare Part D spending on ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] was $12,776,957, covering 967 beneficiaries. The average spend per beneficiary was $13,212.99.
Read our methodology - how this data is sourced, computed, and verified.