TL;DR: Aetna, a CVS Health company, modified CPB 0930 governing cardiac contractility modulation (CCM) therapy, effective March 4, 2026. Every CCM-related CPT and HCPCS code in this policy lands in the "experimental, investigational, or unproven" bucket — meaning your claims will be denied.
Aetna CPB 0930 covers 25 CPT codes (0408T through 0949T, plus 93145 and 93146) and two HCPCS codes (C1824 and K1030) tied to Impulse Dynamics' Optimizer system and the newer OPTIMIZER Integra CCM-D System. The policy update confirms Aetna's position: CCM therapy does not meet its medical necessity standard, and no covered indication exists under this policy. If your cardiology or cardiac electrophysiology practice is billing these codes to Aetna, you're generating claim denials.
Quick-Reference Table
| Field | Detail |
|---|---|
| Payer | Aetna, a CVS Health company |
| Policy | Cardiac Contractility Modulation (CCM) Therapy |
| Policy Code | CPB 0930 |
| Change Type | Modified |
| Effective Date | March 4, 2026 |
| Impact Level | High |
| Specialties Affected | Cardiology, Cardiac Electrophysiology, Cardiovascular Surgery |
| Key Action | Remove CPT codes 0408T–0949T and HCPCS C1824, K1030 from any Aetna charge capture workflow — these codes are non-covered under this policy |
Aetna Cardiac Contractility Modulation Coverage Policy and Medical Necessity Requirements 2026
The Aetna cardiac contractility modulation coverage policy is unambiguous: CCM therapy does not meet medical necessity under CPB 0930. Aetna classifies both the Impulse Dynamics Optimizer system and the OPTIMIZER Integra CCM-D System as experimental, investigational, or unproven.
That phrase matters in billing. "Experimental, investigational, or unproven" is a specific denial category. It means Aetna hasn't found the clinical evidence sufficient to establish effectiveness. No amount of prior authorization requests, appeals, or clinical documentation will flip that determination — unless Aetna revises this policy.
Prior authorization won't help you here. There is no authorization pathway for services classified as experimental under a CPB. If you submit CPT 0408T, 0409T, 0410T, or any of the other 22 codes in this policy, you won't get a prior auth denial — you'll get a hard coverage exclusion denial.
The real issue with this policy is that it covers a wide range of procedure types: implantation, removal, replacement, repositioning, programming, interrogation, electrophysiologic evaluation, and remote monitoring. All of it falls under the same non-covered designation. That's 25 CPT codes and two HCPCS codes blocked in a single policy update.
Aetna CCM Therapy Exclusions and Non-Covered Indications
Aetna excludes all currently available CCM systems from coverage under this policy. This includes both generations of the Impulse Dynamics product line.
The Optimizer system (the standalone CCM device, represented by CPT codes 0408T–0411T for insertion/replacement, and 0948T–0949T for remote monitoring) is non-covered. The OPTIMIZER Integra CCM-D System — the combined CCM-defibrillation device — is also non-covered. That system maps to CPT codes 0915T through 0931T, which cover everything from component insertion to electrophysiologic lead evaluation.
This is the same pattern you've seen with other emerging cardiac device therapies. Aetna's position on CCM mirrors how it handled earlier-generation cardiac resynchronization therapy codes before sufficient long-term outcomes data existed. The difference here is that CCM still hasn't cleared that bar in Aetna's clinical review — even as FDA clearance has expanded the Optimizer's indications.
If your practice treats heart failure patients who might benefit from CCM, this Aetna coverage policy means those patients are self-pay or out-of-network for this specific therapy — unless they carry secondary coverage that takes a different position.
Coverage Indications at a Glance
| Indication | Status | Relevant Codes | Notes |
|---|---|---|---|
| Insertion or replacement of Optimizer CCM system | Not Covered — Experimental | 0408T, 0409T, 0410T, 0411T | Applies to Impulse Dynamics' Optimizer system |
| Insertion of CCM-defibrillation system components | Not Covered — Experimental | 0915T, 0916T, 0917T, 0918T | Applies to OPTIMIZER Integra CCM-D System |
| Removal of CCM-defibrillation system components | Not Covered — Experimental | 0919T, 0920T, 0921T, 0922T | Applies to OPTIMIZER Integra CCM-D System |
| Removal and replacement of CCM-defibrillation pulse generator | Not Covered — Experimental | 0923T | Applies to OPTIMIZER Integra CCM-D System |
| Repositioning of CCM-defibrillation leads | Not Covered — Experimental | 0924T | Applies to OPTIMIZER Integra CCM-D System |
| Relocation of skin pocket for CCM-defibrillation pulse generator | Not Covered — Experimental | 0925T | Applies to OPTIMIZER Integra CCM-D System |
| Programming device evaluation (in person), CCM-defibrillation | Not Covered — Experimental | 0926T | Applies to OPTIMIZER Integra CCM-D System |
| Interrogation device evaluation (in person), CCM-defibrillation | Not Covered — Experimental | 0927T | Applies to OPTIMIZER Integra CCM-D System |
| Remote interrogation, CCM-defibrillation, up to 90 days | Not Covered — Experimental | 0928T, 0929T | Applies to OPTIMIZER Integra CCM-D System |
| Electrophysiologic evaluation of CCM-defibrillator leads | Not Covered — Experimental | 0930T, 0931T | Applies to OPTIMIZER Integra CCM-D System |
| Remote interrogation, standalone CCM system, up to 90 days | Not Covered — Experimental | 0948T, 0949T | Applies to Impulse Dynamics' Optimizer system |
| Carotid sinus baroreflex activation therapy (BAT) device evaluation | Not Covered — Experimental | 93145, 93146 | Listed in code set; same non-covered designation |
| Implantable CCM generator (device/supply) | Not Covered | C1824 | HCPCS — not covered for indications in CPB 0930 |
| External recharging system for internal CCM battery | Not Covered | K1030 | HCPCS — not covered for indications in CPB 0930 |
Aetna CCM Therapy Billing Guidelines and Action Items 2026
Given the effective date of March 4, 2026, here's what your billing team should do now.
| # | Action Item |
|---|---|
| 1 | Audit your charge capture for all 25 CPT codes in this policy. Pull any active charge codes for 0408T through 0411T, 0915T through 0931T, 0948T, 0949T, 93145, and 93146. If any of these are live in your Aetna fee schedule or charge master, flag them for removal or a non-covered modifier workflow. |
| 2 | Remove HCPCS C1824 and K1030 from any Aetna-specific billing templates. C1824 (implantable CCM generator) and K1030 (external recharging system) are both non-covered under this policy. Billing these to Aetna generates a clean denial with no path to reimbursement under CPB 0930. |
| 3 | Update your patient financial counseling scripts before scheduling CCM procedures. If you have Aetna-insured patients who are candidates for CCM therapy, they need to know before the procedure that Aetna considers this experimental. Get a financial agreement signed. This protects your practice and meets the advance beneficiary notice equivalent for commercial payers. |
| 4 | Do not attempt prior authorization for these codes with Aetna. An experimental/investigational designation means there is no covered indication to authorize. Submitting a prior auth request wastes your staff's time and may still result in a claim denial if the auth was issued in error. |
| 5 | Cross-reference CPB 0585 and CPB 0610 for related device coverage. Aetna's related policies — CPB 0585 (Cardioverter-Defibrillators) and CPB 0610 (Biventricular Pacing/Cardiac Resynchronization Therapy) — cover different cardiac device therapies that may apply to your heart failure patients. If a patient is a candidate for both CRT-D and CCM, the CRT-D path has a coverage policy with actual reimbursement. Know where the covered alternatives are. |
| 6 | Check your denial logs for any claims submitted before March 4, 2026. If you've been billing CCM codes to Aetna and receiving denials, this policy update confirms the clinical basis for those denials. The experimental designation isn't new — the March 4, 2026 update is a modification of an existing policy. Don't expect appeal success on previously denied CCM claims. |
If your practice is heavily invested in CCM therapy and Aetna represents a significant portion of your payer mix, talk to your compliance officer before the effective date. This policy has direct revenue implications, and you need a documented financial counseling process in place before you implant another device in an Aetna member.
| Previous Version | Current Version |
|---|---|
| Coverage is considered experimental and investigational for all indications | Coverage is considered medically necessary when specific criteria are met |
| Prior authorization is not required | Prior authorization is required for initial treatment |
| Documentation must include clinical history | Documentation must include clinical history |
| Re-review every 24 months | Re-review every 12 months with updated clinical documentation |
CPT, HCPCS, and ICD-10 Codes for CCM Therapy Under CPB 0930
All codes listed below are classified as not covered / experimental, investigational, or unproven under Aetna CPB 0930. There are no covered CPT codes in this policy.
Not Covered / Experimental CPT Codes
| Code | Type | Description |
|---|---|---|
| 0408T | CPT | Insertion or replacement of permanent cardiac contractility modulation system, including contractility modulation leads |
| 0409T | CPT | Insertion or replacement of permanent cardiac contractility modulation system, including contractility modulation leads |
| 0410T | CPT | Insertion or replacement of permanent cardiac contractility modulation system, including contractility modulation leads |
| 0411T | CPT | Insertion or replacement of permanent cardiac contractility modulation system, including contractility modulation leads |
| 0915T | CPT | Insertion of permanent cardiac contractility modulation-defibrillation system component(s) |
| 0916T | CPT | Insertion of permanent cardiac contractility modulation-defibrillation system component(s) |
| 0917T | CPT | Insertion of permanent cardiac contractility modulation-defibrillation system component(s) |
| 0918T | CPT | Insertion of permanent cardiac contractility modulation-defibrillation system component(s) |
| 0919T | CPT | Removal of a permanent cardiac contractility modulation-defibrillation system component(s); pulse generator |
| 0920T | CPT | Removal of a permanent cardiac contractility modulation-defibrillation system component(s); single transvenous electrode |
| 0921T | CPT | Removal of a permanent cardiac contractility modulation-defibrillation system component(s); single transvenous electrode |
| 0922T | CPT | Removal of a permanent cardiac contractility modulation-defibrillation system component(s); dual (pacing and sensing) transvenous electrodes |
| 0923T | CPT | Removal and replacement of permanent cardiac contractility modulation-defibrillation pulse generator |
| 0924T | CPT | Repositioning of previously implanted cardiac contractility modulation-defibrillation transvenous electrode |
| 0925T | CPT | Relocation of skin pocket for implanted cardiac contractility modulation-defibrillation pulse generator |
| 0926T | CPT | Programming device evaluation (in person) with iterative adjustment of the implantable device to test multiple parameters |
| 0927T | CPT | Interrogation device evaluation (in person) with analysis, review, and report, including connection, recording, and disconnection |
| 0928T | CPT | Interrogation device evaluation (remote), up to 90 days, cardiac contractility modulation-defibrillation system |
| 0929T | CPT | Interrogation device evaluation (remote), up to 90 days, cardiac contractility modulation-defibrillation system |
| 0930T | CPT | Electrophysiologic evaluation of cardiac contractility modulation-defibrillator leads, including defibrillation threshold evaluation |
| 0931T | CPT | Electrophysiologic evaluation of cardiac contractility modulation-defibrillator leads, including defibrillation threshold evaluation |
| 0948T | CPT | Interrogation device evaluation (remote), up to 90 days, cardiac contractility modulation system with physician analysis, review, and report |
| 0949T | CPT | Interrogation device evaluation (remote), up to 90 days, cardiac contractility modulation system, remote data acquisition |
| 93145 | CPT | Interrogation device evaluation (in person), carotid sinus baroreflex activation therapy (BAT) modulation device |
| 93146 | CPT | With programming, including optimization of tolerated therapeutic level setting |
Not Covered HCPCS Codes
| Code | Type | Description |
|---|---|---|
| C1824 | HCPCS | Generator, cardiac contractility modulation (implantable) |
| K1030 | HCPCS | External recharging system for battery (internal) for use with implanted cardiac contractility modulation device |
No ICD-10-CM codes are listed in the CPB 0930 policy data.
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