Humana Medicare Advantage plans follow Medicare’s coverage rules, and Medicare has no national policy covering orthopedic stem cell injections. Humana’s plan documents cover hospital stem cell and bone marrow transplants under certain conditions.
Does Humana Cover Stem Cell Therapy?
For Humana Medicare Advantage members, Humana applies Medicare coverage rules first, and Medicare has no national policy covering orthopedic stem cell injections, so plan to pay yourself. Humana plan documents cover stem cell and bone marrow transplants under certain clinical conditions, such as blood cancers treated in specialized hospital centers. We could not verify Humana’s own commercial policy text for orthopedic injections, so ask Humana for it in writing. Patients receiving regenerative injections for knees, hips, shoulders, or spinal discs must plan for self-pay expenses.
Medicare Advantage policies administer public Medicare benefits through private health plans. According to the Humana 2025 Provider Manual, Humana applies Medicare coverage guidelines, including National Coverage Determinations (NCDs) and Local Coverage Determinations (LCDs), program manuals, and transmittals. As detailed in our guide on Medicare stem cell coverage, Medicare maintains no national coverage determination that provides reimbursement for orthopedic stem cell injections. Major commercial payers document this absence as well; for instance, The Cigna Group notes “No NCD found” and “No LCD found” for orthopedic applications in its medical coverage policy 0552.
The Food and Drug Administration (FDA) has not approved any cellular therapy to rebuild joint cartilage, resolve spinal disc pain, or treat systemic aging. The only FDA-approved stem cell therapies in the United States consist of blood-forming stem cells derived from umbilical cord blood for specific blood disorders, alongside Ryoncil, which received approval in December 2024 for steroid-refractory acute graft-versus-host disease in children. The regulatory agency warns consumers that anyone charging cash for unapproved stem cell products outside an authorized clinical trial is likely deceiving patients. Because Medicare does not cover these unapproved outpatient injections, Humana Medicare Advantage members should expect to pay for them directly.
Why Humana Medicare Advantage Follows Medicare Rules
Humana Medicare Advantage plans follow national Medicare coverage rules because federal law requires them to do so. Under federal regulation 42 CFR 422.101, Medicare Advantage organizations must comply with Centers for Medicare & Medicaid Services (CMS) national coverage determinations and written coverage decisions of local Medicare administrative contractors.
The Humana 2025 Provider Manual details how the carrier handles gaps where federal criteria do not give an explicit instruction. The manual explains that when CMS does not have fully established coverage criteria, Humana creates internal coverage policies based on evidence-based authoritative literature and nationally accepted clinical guidelines to interpret or supplement general CMS provisions. This process conforms directly to 42 CFR 422.101, which allows plans to establish publicly accessible internal coverage criteria when CMS rules are not fully established.
We could not verify Humana’s written policy for orthopedic stem cell injections, so ask Humana for it in writing before you pay.
What Humana Plans Cover: Transplants
Humana Medicare Advantage plans cover, under certain conditions, hematopoietic stem cell transplants. Humana’s Medicare Advantage evidence-of-coverage documents, such as the 2026 HumanaChoice PPO Evidence of Coverage, state that under certain conditions, the following types of transplants are covered: corneal, kidney, kidney-pancreatic, heart, liver, lung, heart/lung, bone marrow, stem cell, and intestinal or multivisceral. Check your own plan’s Evidence of Coverage (EOC) document to review the exact terms governing your specific policy.
These covered stem cell procedures rebuild a patient’s blood-forming system. Medicare NCD 110.23 defines nationally covered indications for allogeneic and autologous hematopoietic stem cell transplantation, leaving other clinical indications to the discretion of local Medicare contractors. Hospital stem cell transplants generally treat conditions such as:
- Leukemia (acute and chronic forms)
- Lymphoma (Hodgkin and non-Hodgkin classifications)
- Multiple myeloma
- Myelodysplastic syndromes (MDS)
- Severe sickle cell disease
A covered transplant requires extensive coordination before admission. Humana’s Medicare Advantage prior authorization list, effective January 1, 2026, mandates prior authorization for cellular therapies, genetic therapies, tissue products, transplant surgeries, and chimeric antigen receptor T-cell (CAR-T) therapy. If you need a transplant, Humana arranges a formal case evaluation by a Medicare-approved transplant center to verify whether you qualify as a candidate.
| Treatment Type | Covered by Humana Medicare Advantage? | Rule That Decides It |
|---|---|---|
| Orthopedic stem cell injection (knee, hip, spine) | No | Medicare has no national coverage determination; no FDA-approved product |
| Intravenous wellness or anti-aging infusion | No | Medicare excludes experimental care; lacks FDA product approval |
| PRP injection for joint pain or arthritis | No | Excluded under Medicare rules; no national coverage for musculoskeletal PRP |
| PRP injection for chronic diabetic wounds | Yes (under specific clinical terms) | Medicare NCD 270.3 covers PRP for chronic non-healing diabetic wounds |
| Hematopoietic stem cell or bone marrow transplant | Yes (with prior authorization) | Covered under Medicare NCD 110.23 and Humana Evidence of Coverage |
| Chimeric antigen receptor T-cell (CAR-T) therapy | Prior authorization required | Humana 2026 Medicare Advantage prior authorization list |
The operational differences between hospital transplants and clinic injections are substantial. Transplants occur in specialized cancer centers to replace damaged bone marrow, whereas outpatient regenerative procedures take place in private pain clinics or wellness practices. You can read more about these medical differences in our guide comparing stem cell therapy versus stem cell transplants. Platelet-rich plasma (PRP) coverage follows a similar pattern under Medicare rules. For Humana Medicare Advantage members, Humana covers PRP only for chronic non-healing diabetic wounds under Medicare NCD 270.3, as outlined in our PRP insurance coverage guide.
Humana Commercial Plans
Medical Frontier could not verify Humana’s written commercial policy for orthopedic stem cell injections. Humana administers commercial employer plans alongside its Medicare portfolio. If you carry commercial Humana insurance through an employer, ask Humana for its written coverage policy in writing before receiving care.
Many large commercial insurers publish explicit coverage policies excluding these injections. For example, Aetna addresses regenerative medicine under clinical policy bulletin CPB 0411, as explained in our review of Aetna stem cell coverage. Similarly, The Cigna Group maintains medical policy 0552, covered in our analysis of Cigna stem cell coverage. Both payers classify orthopedic stem cell injections as experimental, investigational, or not medically necessary. Blue Cross Blue Shield licensee plans enforce similar restrictions, detailed in our Blue Cross stem cell coverage guide.
Do not assume your commercial Humana plan mirrors other carriers without written documentation. Call the member services department listed on your insurance card, give the representative the exact Current Procedural Terminology (CPT) billing codes provided by your doctor, and request a copy of the carrier’s formal coverage position. If the representative cannot locate a policy, request a written pre-service coverage decision to determine your out-of-pocket exposure.
Experimental Care and Clinical Studies
Humana plans place strict restrictions on experimental and investigational medical care. According to the 2026 HumanaChoice PPO Evidence of Coverage, experimental medical and surgical procedures are covered only under specific conditions. The document explains that experimental procedures are those items and procedures determined by Original Medicare to not be generally accepted by the medical community.
The Evidence of Coverage notes that experimental treatments may be covered by Original Medicare under a Medicare-approved clinical research study or directly by the Humana plan. When a member enrolls in an approved clinical research study, Medicare or the private plan often covers routine medical costs:
- Standard office visits and physical examinations
- Routine diagnostic blood tests and metabolic panels
- Conventional imaging studies, such as monitoring X-rays or standard scans
The clinical study sponsor remains responsible for supplying the investigational stem cells and funding the cellular injection. If an outpatient clinic invites you to participate in what it describes as a research study or patient registry, verify the study listing on ClinicalTrials.gov. Legitimate research protocols do not require participants to pay thousands of dollars for the experimental biologic. Facilities that demand high upfront cash payments to enter a private trial are running commercial cash operations under a research label. Read our guide on clinical trials versus cash clinics to protect your finances.
Appealing a Humana Denial
Filing an appeal when Humana denies an outpatient stem cell injection rarely results in payment. Insurers deny these claims based on fundamental policy exclusions regarding unproven or experimental treatments. An administrative appeal cannot rewrite the contractual terms of your insurance policy or bypass the absence of an FDA product approval.
If your provider submits a claim that Humana denies, the plan provides formal appeal pathways. According to the 2026 HumanaChoice PPO Evidence of Coverage, you can file an appeal online at Humana.com/denial. You may also submit written appeals by mail:
Humana Grievances and Appeals Dept. P.O. Box 14165 Lexington, KY 40512-4165
Confirm the exact mailing address and your plan’s specific filing deadline in your own Evidence of Coverage.
Appeals succeed primarily when a clinic bills an FDA-approved, medically necessary treatment under an incorrect diagnostic or procedure code. If an approved stem cell transplant for lymphoma was rejected due to a clerical error, an appeal with revised documentation typically resolves the issue. For an unapproved knee or back injection, however, a physician’s letter of medical necessity is unlikely to overturn the denial. If an outpatient clinic promises it knows how to bypass Humana’s coverage rules to secure reimbursement, treat that claim as a serious red flag. Review our guide on how to vet a regenerative clinic before signing financial agreements.
What You Pay Without Coverage
Because Humana does not cover orthopedic stem cell therapy, you must pay the clinic directly. Pricing varies depending on the provider, the anatomical location, and whether the clinic uses bone marrow aspirate concentrate, adipose tissue, or donated birth tissues.
Medical Frontier’s published self-pay ranges across the United States include:
- Single joint injection: $3,000 to $8,000 (such as one knee, hip, or shoulder)
- Multiple joints or spine: $6,000 to $15,000 (such as bilateral knees or intradiscal spine procedures)
- Systemic intravenous infusions: $15,000 to $30,000 or more (frequently marketed for wellness or anti-aging)
- Platelet-rich plasma (PRP): $400 to $2,000 per session, or $1,500 to $6,000 for a multi-session protocol
You can explore standard market pricing across our stem cell cost guide and our detailed knee stem cell cost breakdown.
The Direct Takeaway on Humana Coverage
Humana Medicare Advantage plans do not pay for stem cell therapy for arthritis, joint degeneration, spinal conditions, or general wellness. Federal regulations require these plans to follow Medicare rules first, and Medicare maintains no national coverage policy for orthopedic cellular injections. Humana limits stem cell benefits to approved hematopoietic transplants performed in hospital transplant centers for serious conditions like blood cancers.
Our verdict for Humana members seeking joint injections would change only if the FDA grants formal marketing clearance for an orthopedic cellular therapy and CMS establishes a national coverage determination directing Medicare plans to pay for it. Until those federal regulatory milestones occur, patients pursuing regenerative injections must cover the total treatment fee out of pocket. If you are budgeting for care, use our interactive cost estimator to calculate typical self-pay prices before scheduling an appointment.
Frequently asked questions
Does Humana cover stem cell therapy?
For Humana Medicare Advantage members, Humana applies Medicare coverage rules first, and Medicare has no national policy covering orthopedic stem cell injections, so plan to pay yourself. Humana plan documents cover stem cell and bone marrow transplants under certain conditions. We could not verify Humana's own commercial policy text for orthopedic injections, so ask Humana for it in writing.
Does Humana Medicare cover stem cell therapy for knees?
No, Humana Medicare Advantage plans follow Medicare guidelines, which provide no national coverage for joint or knee injections. The Food and Drug Administration (FDA) has not approved stem cell products for knee osteoarthritis. See typical pricing in our knee stem cell cost guide.
Does Humana cover PRP injections?
Humana Medicare Advantage plans cover platelet-rich plasma (PRP) only for chronic non-healing diabetic wounds under Medicare National Coverage Determination 270.3. Humana plans do not cover PRP injections for joints, tendons, or osteoarthritis. You can read the coverage criteria in our PRP insurance guide.
Does Humana cover a stem cell transplant?
Yes, Humana Medicare Advantage plans cover bone marrow and stem cell transplants under certain conditions. Humana requires prior authorization, and a Medicare-approved transplant center reviews your case first. Learn the difference between these procedures in our therapy versus transplant guide.
How do I appeal a Humana denial?
You can file an appeal online at Humana.com/denial or mail your request to the Humana Grievances and Appeals Department, P.O. Box 14165, Lexington, KY 40512-4165. Appeals rarely overturn denials for unapproved joint injections because the plans exclude experimental care by contract. Confirm the exact mailing address and deadline in your own plan's Evidence of Coverage.
Medical disclaimer. Medical Frontier is an independent educational resource. This page is for general information only and is not medical advice, diagnosis, or treatment, and does not create a doctor–patient relationship. Most regenerative therapies discussed here are not FDA-approved for the uses described and may be offered under limited exemptions or in clinical trials only. Always consult a licensed physician before making any treatment decision.