Total Artificial Hearts and Ventricular Assist Devices
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Medical policy governing the use, indications, and coverage stance for ventricular assist devices (implantable and percutaneous) and total artificial hearts for members of Blue Cross and Blue Shield of Kansas.
No material clinical or coverage changes in this revision.
Coverage Criteria and Indications
inv-01: Medically Necessary Indications
Covered when ALL of the following grouped criteria are met as specified per indication category
Supports short‑term bridge to recovery per Policy A.
Includes pediatric clause: devices with FDA approval/HDE may be considered in children ≤16 under same conditions.
TAH bridge‑to‑transplant criteria per Policy B.3.
Destination therapy criteria and thresholds are taken from Policy C.
See Policy Guidelines/Item D for device‑specific duration limits; pVADs are for limited time periods.
inv-02: Experimental/Investigational (Not Covered)
pVADs are considered experimental/investigational for indications beyond the listed short‑term uses.
inv-03: Indications and contraindications
Covered when clinical indications and device-specific evidence align:
Refer to device trial inclusion criteria (eg, MOMENTUM 3) for numeric thresholds.
These conditions are listed as contraindications to bridge‑to‑transplant VADs/TAH.
Thresholds and inclusion criteria drawn from MOMENTUM 3 and other pivotal trials.
inv-04: Evidence-based candidate groups
Coverage considerations should align with patient populations and outcomes reported in the evidence:
Based on CardioWest/SynCardia pivotal study populations and case series reporting survival to transplant (eg, ~79%).
HeartMate 3 trial and registry data inform selection and expected outcomes.
Pediatric device approvals and registry evidence should guide authorization.
inv-05: TAH — Bridge to Transplant
Covered when ALL of the following are met for bridge-to-transplant use of TAH:
Supported by nonrandomized prospective study and case series showing substantial survival to transplant (eg, ~79% in FDA study; ~68% in SynCardia series).
inv-06: TAH — Destination Therapy
Not covered / investigational when used as destination therapy unless clear evidentiary support is provided:
Policy states evidence base is insufficient to support conclusions about TAH efficacy as destination therapy.
inv-07: pVAD for AMI-related Cardiogenic Shock
Covered with criteria when treating AMI-related cardiogenic shock if ALL of the following are met:
Meta‑analysis of 4 RCTs showed reduced 6‑month mortality but increased complications; 30‑day mortality not significantly different.
inv-08: pVAD for High-Risk Procedures
Covered with criteria when used during high-risk cardiac procedures if ALL of the following are met:
Comparator in evidence is IABP; policy focuses on high‑risk populations and procedural justification.
inv-09: Use of pVAD for cardiogenic shock refractory to IABP or as ancillary support for high-risk PCI
Covered when evidence-based clinical criteria are met and documented:
Population of interest per evidence review and PICO selection.
Systematic reviews identified mixed results; network meta‑analysis findings and trial heterogeneity should be considered.
inv-10: Use of pVAD for high-risk VT ablation
Covered when ALL of the following are met:
Nonrandomized studies showed pVAD‑supported patients had more mappable unstable VTs and enabled more mapping but no difference in mortality or VT recurrence.
inv-11: Use of pVADs for cardiogenic shock refractory to IABP
Covered when ALL of the following are met
Population defined in evidence review for pVADs refractory to IABP.
Case series report high adverse event rates; strong justification required.
Uncontrolled studies report high adverse event rates that may outweigh benefits.
inv-12: Coverage criteria (acute MCS and destination therapy excerpts)
Covered when ALL of the following are met (policy excerpts and guideline recommendations in these chunks):
ISHLT/HFSA guideline: COR I, LOE B recommends early initiation of acute MCS.
Guideline: COR II, LOE C.
Historical REMATCH criteria cited in policy history guide destination therapy determinations.
Contraindications that commonly exclude patients from consideration for bridge-to-transplant ventricular assist device (VAD) or total artificial heart (TAH) implantation include chronic irreversible hepatic, renal, or respiratory failure, active systemic infection, and coagulation disorders. Adequate psychosocial support is required; inadequate support is a contraindication. Implantation is also contraindicated in patients with uncorrected valvular disease because device function may be compromised. These conditions align with factors that would generally exclude a patient from heart transplantation and should be documented when assessing candidacy.
Implantation of an implantable VAD or TAH is contraindicated in individuals with chronic irreversible hepatic, renal, or respiratory failure, active systemic infection, or coagulation disorders. Inadequate psychosocial support and uncorrected valvular disease are additional contraindications because they increase risk of device failure or poor outcomes and may preclude successful transplantation.
Pivotal TAH study populations consisted of patients with biventricular failure who had failed inotropic therapy and were not candidates for LVAD support. When only left ventricular support is required, patients are generally eligible for an LVAD rather than a TAH; TAH was studied primarily in those who were not LVAD candidates and therefore TAH is not the preferred option when isolated left ventricular support would suffice.
Use of a TAH as destination therapy (permanent implant) is not supported by the available evidence. The evidence base for TAH as destination therapy is extremely limited, and current data are insufficient to conclude that TAH provides durable benefit in the destination therapy setting.
Routine use of percutaneous ventricular assist devices (pVADs) as ancillary support for high‑risk percutaneous coronary intervention (PCI) is not supported by consistent randomized trial evidence demonstrating improved short‑term major adverse event rates. Key RCTs and systematic reviews have not shown a clear, reproducible clinical benefit for routine prophylactic pVAD use in high‑risk PCI populations.
Evidence assessing pVADs for cardiogenic shock consists largely of uncontrolled case series that report high adverse event rates. These studies do not demonstrate consistent improvements in health outcomes for patients with cardiogenic shock and therefore do not support routine use based on the available uncontrolled evidence.
Percutaneous ventricular assist devices are considered experimental/investigational for indications other than short‑term stabilization (cardiogenic shock refractory to medications/IABP, cardiogenic shock as an alternative to IABP, or circulatory support during defined high‑risk procedures). Use outside these short‑term indications is not supported by the policy.
The Centers for Medicare & Medicaid Services National Coverage Determination for Ventricular Assist Devices (NCD 20.9.1) is referenced for specific CMS exclusions or limits. Providers and reviewers should consult NCD 20.9.1 for explicit CMS coverage rules that commonly inform prior authorization and coverage determinations.
Use of a total artificial heart as destination therapy is explicitly considered investigational and therefore not medically necessary in the absence of robust efficacy data. The policy supports TAH as a reasonable option only as a bridge to transplantation when patients are ineligible for other mechanical circulatory support.
Patient characteristics associated with a high likelihood of poor outcome after VAD implantation—such as very high body mass index, low hemoglobin, prior cardiac surgery, history of cancer, severe diabetes, and very poor preimplant quality of life—are linked with higher rates of death or persistently poor quality of life and may affect coverage decisions. These risk factors should be considered and documented when assessing expected benefit.
LVAD use as a bridge‑to‑recovery strategy is generally not supported outside postcardiotomy settings because myocardial recovery rates are low and uncertain in broader chronic heart failure populations. Bridge‑to‑recovery may be appropriate in postcardiotomy patients but is not routinely supported as an expected outcome for most LVAD recipients.
Implantable artificial hearts or TAHs used as permanent destination therapy are considered not medically necessary / investigational given the extremely limited data supporting efficacy in that context. Documentation supporting a departure from this stance must include robust clinical evidence.
Use of pVADs for high‑risk PCI without specific patient factors (for example, markedly reduced ejection fraction or documented refractory shock) or without documentation justifying deviation from consideration of IABP is not supported. Absent documented patient‑specific rationale and consideration of comparator therapies, routine pVAD use for high‑risk PCI is not supported by the evidence.
pVADs used for cardiogenic shock that is refractory to intra‑aortic balloon pump therapy have not demonstrated improved outcomes in available uncontrolled studies and are associated with high rates of adverse events (eg, major bleeding, limb ischemia, sepsis). This lack of evidence for net benefit should be considered when evaluating coverage and may require strong justification for device use.
Procedure and diagnosis codes included in the policy are considered medically necessary only if the service is performed in accordance with the Policy section and documented indications. Absence of concordant clinical indication or failure to meet policy criteria may render the coded service not medically necessary.
Provider Requirements, Authorization, and Documentation
Benefit verification and FDA indication required
Verify member benefits and plan-specific exclusions/mandates prior to determining eligibility. Coverage requires documentation that the device and indication are FDA‑cleared or approved; non‑FDA approved/cleared implantable VADs or TAHs are considered experimental/investigational and are not covered.
- Benefit verification with BCBSKS Customer Service prior to authorization
- Document FDA approval/clearance and the specific FDA‑cleared clinical indication
Prior authorization and evidence‑based eligibility documentation
Prior authorization is required for implantable VADs, total artificial hearts (TAH), and percutaneous VADs (pVADs). Requests must reference device‑specific regulatory status, pivotal or high‑quality randomized controlled trial evidence where applicable, and patient clinical criteria demonstrating eligibility (eg, NYHA class, LVEF, inotrope dependence, cardiac index).
- Submit device model and FDA approval/PMA/HDE documentation
- Include RCT or pivotal-study citation(s) that support the requested device use and rationale for generalizing trial criteria to the patient
- For VAD/TAH bridge-to-transplant: document transplant listing status or active evaluation and transplant candidacy
TAH prior authorization — bridge‑to‑transplant criteria
For TAH and implantable VADs intended as bridge‑to‑transplant, prior authorization must document meeting pivotal‑study‑like criteria: failure of maximal medical and inotropic therapy, presence of biventricular failure when applicable, and that the patient is a listed transplant candidate or actively being evaluated and not expected to survive to transplant without device support.
- Document prior inotropic therapy and evidence of failure (hemodynamics, duration)
- If LVAD is not suitable, provide rationale why LVAD/univentricular support is not an option
- For pediatric candidates, include HDE or pediatric FDA indication where applicable
TAH destination therapy — limited evidence
TAH as destination therapy has limited evidence and may be denied or considered investigational; prior authorization should highlight the limited data if requested for destination use.
- State clearly if request is for destination therapy and include supporting evidence; expect higher denial risk due to limited efficacy data
pVAD prior authorization for cardiogenic shock and high‑risk procedures
Prior authorization for pVADs in cardiogenic shock should document indication (eg, refractory cardiogenic shock or high‑risk PCI with reduced EF), prior therapies attempted (including IABP and inotropes), hemodynamics, and justification given mixed RCT results and higher complication rates.
- Specify whether indication is refractory cardiogenic shock versus high‑risk PCI
- Document prior use or consideration of IABP and optimal medical therapy
- Include current hemodynamic parameters (cardiac index, blood pressure, vasopressor/inotrope requirements)
pVAD increased adverse events — document risk/benefit
pVADs have been associated with increased risks (major bleeding, limb ischemia, sepsis) in RCTs and meta‑analyses; weigh potential benefits against higher adverse event rates when requesting coverage.
- Include risk‑benefit discussion in the prior authorization submission
- Provide rationale why alternative therapies (IABP, medical management) are insufficient
Procedure codes and coding linkage to coverage
Providers must submit procedure and device codes with authorization requests. Inclusion of codes in this policy is informational only; codes are considered medically necessary only if the procedure meets the policy’s clinical criteria.
- Attach relevant CPT/HCPCS codes (eg, 33927–33929, 33975–33980, 33990–33997)
- Explicitly state that code listing does not guarantee coverage — coverage depends on meeting policy criteria and member benefits
Contraindications that may trigger denial
Certain contraindications generally used to exclude heart transplant candidates also apply to VAD/TAH candidacy and may lead to denial: chronic irreversible hepatic, renal, or respiratory failure; systemic infection; coagulation disorders; inadequate psychosocial support; uncorrected valvular disease.
- List all active contraindications in the chart and authorization request
- If present, explain any mitigating factors or planned management of the contraindication
Indication and evidence‑based denial risks
Indication‑related denial risk: requests for indications not supported by FDA clearance or by adequate RCT/pivotal evidence (eg, non‑FDA devices, TAH as destination therapy, pVADs outside specified short‑term indications) are at high risk for denial.
- Non‑FDA device use must be identified as experimental/investigational
- TAH destination therapy requests should include compelling new evidence to be considered
Required clinical documentation for authorization requests
Required clinical documentation for prior authorization should include device/regulatory documentation, detailed clinical history, prior therapies and responses, hemodynamic data, and study evidence linking the patient’s presentation to populations studied in pivotal trials.
- Clinical narrative with timeline of heart failure progression and treatments
- List of prior therapies: inotropes (duration/doses), IABP (dates and response), other MCS
- Hemodynamic measurements: cardiac index, left atrial pressure, LVEF, blood pressure
- Device manufacturer, model, FDA approval status, and supporting trial references
Suggested clinical documentation
Suggested supporting documents to include with requests: transplant listing documentation or evaluation status for bridge‑to‑transplant; detailed rationale when LVAD is not an option; selection rationale for cited clinical studies; and anticipated duration of support.
- UNOS listing or active evaluation notes for bridge‑to‑transplant candidates
- Narrative justifying why LVAD/univentricular support is unsuitable when proposing TAH
- Selection rationale linking patient severity to included studies (eg, pivotal trial inclusion criteria)
Policy‑concordant performance and CMS NCD guidance
Policy‑concordant performance is required: procedures and device implantation must follow the policy’s clinical criteria and established guidelines (eg, AHA/ACC, CMS NCD 20.9.1). Noncompliance with CMS National Coverage Determination or guideline‑recommended sequencing may affect coverage.
- Follow AHA/ACC and professional society recommendations when applicable
- Document adherence to CMS NCD 20.9.1 where relevant to VAD indications
Comparator, sequencing, and step‑therapy requirements
Comparator and step‑therapy expectations: optimal medical management, including IABP when indicated, is the comparator. Providers should document consideration or trial of optimal medical therapy and IABP prior to requesting pVADs when clinically appropriate. For TAH/TAH considerations, document prior inotropic therapy failure and sequencing regarding LVAD candidacy.
- Document duration and response to guideline‑directed medical therapy (GDMT)
- Document any IABP use (dates, clinical response) or rationale for not attempting IABP
- Explain sequence of therapies considered (medical → IABP → pVAD/LVAD/TAH)
Policy references and liaison committee resources
Policy references, BCBSKS Cardiology Liaison Committee materials, and key guideline citations should be made available to providers on request to support prior authorization decisions.
- Reference CMS NCD 20.9.1 and major society guidelines (AHA/ACC/HFSA, ISHLT) in submissions
- BCBSKS liaison committee reports may inform local practice expectations
Procedure and Device Coding
| P060040 | HeartMate II PMA number |
| P160054 | HeartMate 3 PMA number (and supplement P160054/S008) |
| P170038 | CentriMag PMA number |
| P160035 | Berlin Heart EXCOR Pediatric VAD PMA number |
| P030011 | SynCardia Temporary Total Artificial Heart PMA number |
| K110493 | TandemHeart 510(k) number |
| P140003 | Impella PMA number |
| 33927 | Implantation of a total replacement heart system (artificial heart) with recipient cardiectomy |
| 33928 | Removal and replacement of total replacement heart system (artificial heart) |
| 33929 | Removal of a total replacement heart system (artificial heart) for heart transplantation (List separately in addition to code for primary procedure) |
| 33975 | Insertion of ventricular assist device; extracorporeal, single ventricle |
| 33976 | Insertion of ventricular assist device; extracorporeal, biventricular |
| 33977 | Removal of ventricular assist device; extracorporeal, single ventricle |
| 33978 | Removal of ventricular assist device; extracorporeal, biventricular |
| 33979 | Insertion of ventricular assist device, implantable intracorporeal, single ventricle |
| 33980 | Removal of ventricular assist device, implantable intracorporeal, single ventricle |
| 33990 | Insertion of ventricular assist device, percutaneous including radiological supervision and interpretation; arterial access only |
| NCD 20.9.1 | National Coverage Determination for Ventricular Assist Devices |
Background and Context
Ventricular assist devices (VADs) are mechanical pumps that augment native cardiac output and may be implantable (durable LVAD, RVAD, BiVAD) or percutaneous (pVADs) for short‑term support. A total artificial heart (TAH) replaces both native ventricles and requires removal of the native heart; device failure equates to cardiac death. Clinical uses include bridge to transplant, destination therapy, and bridge to recovery; selection depends on underlying cardiac pathology, transplant candidacy, and device‑specific evidence and risks.
Definitions
References and Revision History
References cited in this policy include major peer‑reviewed trials, registry analyses, and guideline documents. Selected bibliographic entries are provided for clinicians and reviewers to support evidence summaries and prior authorization decisions; see the References section for the full list.
Major society guideline and consensus statements cited in the policy include AHA/ACC/HFSA and ISHLT guidance on mechanical circulatory support, SCAI/ACC consensus documents on percutaneous MCS, and international society guidance on acute MCS. The policy also references the CMS National Coverage Determination for Ventricular Assist Devices (NCD 20.9.1) to inform coverage determinations.
Latest review of the policy completed (Latest Review Date recorded).
Policy current effective date set to October 2, 2023.
Original policy effective date established July 18, 2016.
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