Does Humana Cover Prolia?
The verdict
Covered on most plans
Humana covers Prolia, but the defining fact for most Humana members is the benefit type: Prolia is administered in a clinician's office every 6 months and billed under Medicare Part B (HCPCS J0897) — not picked up at a pharmacy under Part D. On Original Medicare, the member pays 20% coinsurance after the Part B deductible, approximately $357 per injection at average pricing. As of September 1, 2025, the interchangeable biosimilar Jubbonti is replacing Prolia on Humana Medicare Advantage plans; existing authorizations transitioned automatically. The $2,100 Part D out-of-pocket cap does not apply to Part B drugs — this distinction is critical for Humana's Medicare-dominant membership.
Coverage is set by your specific plan and formulary. This is a research summary — always confirm with Humana using your member ID.
Key facts
Prolia is most often a Medicare Part B buy-and-bill drug administered in the clinic every 6 months — not a Part D pharmacy pickup. The $2,100 Part D OOP cap does not apply to the Part B pathway.
CMS Local Coverage Determination L33394; Medicare.gov
Effective September 1, 2025, Humana Medicare Advantage plans transitioned from branded Prolia to the interchangeable biosimilar Jubbonti (denosumab-bddz); existing Prolia authorizations carried over automatically.
UHCprovider.com interchangeable biosimilar announcement; Amgen Jubbonti prescribing information
Original Medicare Part B covers 80% of Prolia's approved cost; the member's 20% coinsurance is approximately $357 per injection at average pricing — Medigap typically covers this 20%, reducing out-of-pocket to $0.
Medicare.org Part B drug cost estimates, 2025
Medicare vs. commercial coverage
Whether Humana covers Prolia depends heavily on which kind of plan you hold. They follow completely different rules — here's each one, side by side.
Medicare
Part D & Advantage plans
Medicare Part B (medical benefit — the operative pathway for most Humana members): Prolia is administered in-office as a subcutaneous injection every 6 months and billed under HCPCS code J0897, incident to a physician service per Local Coverage Determination L33394. Original Medicare covers 80% after the Part B deductible ($257 in 2025); the member pays 20% coinsurance — approximately $357 per injection at average pricing per Medicare.org. A Medigap supplement plan typically covers the 20%, making out-of-pocket cost $0. Humana Medicare Advantage plans may impose prior authorization and step therapy through the interchangeable Jubbonti biosimilar (denosumab-bddz) effective September 1, 2025; existing Prolia authorizations transitioned to Jubbonti automatically on most Humana MA plans. Observed MA plan copays range $0–$500 per injection depending on plan design — verify on your specific Humana MA plan. The $2,100 Part D out-of-pocket cap does NOT apply to the Part B pathway — this is one of the most important distinctions for beneficiaries comparing Prolia's cost structure to Part D specialty drugs.
Commercial / Employer
Group & marketplace plans
Commercial/Employer: Humana's commercial book is limited. Where a Humana commercial plan exists, Prolia is covered under the medical benefit with prior authorization; documentation of osteoporosis with high fracture risk (T-score at or below -2.5, prior fragility fracture, or high FRAX score) is required. PA approval duration is often 12 months. Clinician-administered q6 months under the medical benefit. ACA/Individual: limited Humana ACA presence; medical-benefit coverage where offered. Medicaid: Humana Medicaid managed-care plans cover Prolia for osteoporosis with high fracture risk per state preferred drug list with prior authorization and nominal cost-share. Not covered outside FDA-approved osteoporosis and bone-loss indications on any Humana line of business.
The 2 boxes you must tick to get approved
Commercial plans that will consider Prolia require prior authorization. Check off what applies to you to see how close you are — this is a guide, not a guarantee of approval.
Meet all 2 and you have a documented case for approval. Missing any one is the most common reason requests are denied.
Your cost, three ways
What Prolia actually costs you swings enormously depending on how it's covered. Here's the realistic range.
Paying cash
~$1,786–$2,507 per 60 mg dose without insurance (sources vary: Medicare.org ~$1,786; GoodRx ~$2,507). These are estimates — actual cash price varies by site of care and pharmacy.
List price with no coverage — before any manufacturer savings card.
With coverage
Original Medicare Part B: 20% coinsurance after the Part B deductible; approximately $357 per injection at average pricing (Medicare.org, 2025 deductible of $257 applied). Medigap supplement typically covers the 20%, resulting in $0 out-of-pocket. Humana Medicare Advantage: observed copays $0–$500 per injection depending on plan design — verify on your specific Humana MA plan. Medicaid: nominal cost-share per state PDL.
Typical monthly copay once prior authorization is approved.
Bridge program
Amgen offers a copay support program for Prolia (for commercially insured patients). However, this program is NOT available to Medicare or Medicaid beneficiaries under federal anti-kickback rules. Most Humana members are on Medicare or Medicaid and therefore cannot use manufacturer copay support.
Reduced copay through the assistance program, where eligible.
All figures are estimates. The Part D $2,100 OOP cap does NOT apply to the Part B medical pathway — Prolia/Jubbonti is a Part B drug for most Humana members. Verify your specific cost-share with Humana member services or your MA plan documents.
Check YOUR exact coverage in 3 steps
General answers only get you so far. Here's how to confirm your own plan's decision in a few minutes.
- 1
Confirm whether Prolia is billed under your Part B or Part D benefit
For most Humana Medicare members, Prolia is a Part B medical-benefit drug administered in your doctor's office every 6 months — not a pharmacy pickup. Log in to your Humana member account at humana.com to verify your specific plan's benefit structure. If you have a Humana Medicare Advantage plan, look up denosumab under the medical benefit (Part B) section, not the drug formulary (Part D).
- 2
Ask your prescriber about the Jubbonti biosimilar transition
Effective September 1, 2025, most Humana Medicare Advantage plans transitioned from branded Prolia to the interchangeable biosimilar Jubbonti (denosumab-bddz). If your existing Prolia authorization was active, it should have carried over automatically. Jubbonti contains the same denosumab molecule at the same dose and is administered the same way. Confirm with your prescriber that the transition was processed for your plan.
- 3
Check your Medigap or Humana MA plan for Part B coinsurance coverage
On Original Medicare, you owe 20% of the Medicare-approved amount for Part B drugs — approximately $357 per Prolia injection at average pricing. If you have a Medigap supplement plan, it typically covers this 20%, making your cost $0. If you have a Humana Medicare Advantage plan, your copay varies by plan design ($0–$500 observed range). Call Humana member services at the number on your ID card for an estimate specific to your plan.
Options if Humana won't cover Prolia
A denial isn't the end of the road. These are the paths people commonly explore next — discuss any of them with your prescriber.
Jubbonti (denosumab-bddz)
The interchangeable biosimilar replacing Prolia on most Humana Medicare Advantage plans as of September 1, 2025. Same molecule (denosumab), same dose (60 mg subcutaneous), same q6-month administration schedule — existing Prolia authorizations transitioned automatically.
Fosamax (alendronate) — generic
Generic bisphosphonate, oral, Tier 1 on most formularies. First-line osteoporosis treatment for many patients; often required or considered before Prolia is approved, though no formal step-therapy-through-bisphosphonate requirement applies universally to Prolia.
Reclast (zoledronic acid)
Annual IV bisphosphonate infusion, administered in an office or infusion center. Covered under the medical benefit, typically at a lower cost than Prolia. May be appropriate for patients who cannot tolerate oral bisphosphonates.
These options are listed for information only — your own clinician decides what is appropriate for you.
❓Frequently Asked Questions
For most Humana Medicare members, Prolia is a Part B medical-benefit drug — not Part D. It is administered as a subcutaneous injection in your doctor's office every 6 months and billed under HCPCS code J0897 incident to a physician service. This means the $2,100 Part D out-of-pocket cap does not apply to Prolia's cost. Your cost is 20% of the Medicare-approved amount after the Part B deductible, which Medigap can cover entirely.
Jubbonti (denosumab-bddz) is the FDA-approved interchangeable biosimilar for Prolia, containing the same denosumab molecule at the same 60 mg dose. Effective September 1, 2025, most Humana Medicare Advantage plans transitioned to Jubbonti as the preferred or required denosumab product. Existing Prolia authorizations carried over automatically. Your treatment — a subcutaneous injection every 6 months in your clinician's office — does not change; only the product label on the vial changes.
On Original Medicare with a Humana supplement, your Prolia cost is typically the 20% Part B coinsurance after the $257 Part B deductible — approximately $357 per injection at average pricing per Medicare.org. A Medigap plan usually covers this 20%, making your cost $0. On a Humana Medicare Advantage plan, observed copays range $0–$500 per injection depending on plan design. Verify your specific cost on Humana's member portal or by calling member services.
No, if you are enrolled in Humana Medicare or Medicaid. Federal anti-kickback rules prohibit Medicare and Medicaid beneficiaries from using manufacturer copay support programs, including Amgen's Prolia copay assistance. Most Humana members are on Medicare or Medicaid and cannot use this program. Commercially insured Humana members may be eligible — verify directly with Amgen. Given Humana's overwhelmingly Medicare membership, the Part B coinsurance plus Medigap is the operative cost structure for most patients.
No. The $2,100 Medicare Part D out-of-pocket cap applies to Part D pharmacy drugs. For most Humana members, Prolia is a Part B medical-benefit drug billed in the clinic under HCPCS J0897 — not a Part D drug. Part B cost-sharing is governed by your Part B coinsurance structure and your supplemental coverage. If you have a Humana Medicare Advantage plan, Part B drug cost-sharing is set by your MA plan design — verify with Humana member services.
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Read moreThis content is for informational purposes only and does not constitute medical, financial, or insurance advice. Coverage rules, prior-authorization criteria, and copay amounts change frequently and vary by plan, formulary tier, and effective date — always verify current benefits directly with Humana before making any decision. Consult a licensed healthcare provider and your plan administrator for guidance specific to your situation.