TL;DR: Aetna modified CPB 0814 for remote ischemic conditioning, effective November 22, 2025. The updated policy classifies every known clinical indication as experimental, investigational, or unproven — meaning no covered indication exists under this policy for any Aetna plan. If your team bills CPT codes in the 92920–92944 range or the 20000–29999 musculoskeletal range alongside remote ischemic conditioning, expect denials.
Quick-Reference Table
| Field | Detail |
|---|---|
| Payer | Aetna |
| Policy | Remote Ischemic Conditioning |
| Policy Code | CPB 0814 Aetna |
| Change Type | Modified |
| Effective Date | November 22, 2025 |
| Impact Level | High |
| Specialties Affected | Cardiology, Cardiac Surgery, Neurology, Nephrology, Oncology, Orthopedic Surgery, Vascular Surgery, Transplant |
| Key Action | Flag all remote ischemic conditioning billing across 92920–92944 and 20000–29999 ranges; treat all claims as non-covered under Aetna plans |
Aetna Remote Ischemic Conditioning Coverage Criteria and Medical Necessity Requirements 2025
Here's the short version: there are none. The Aetna remote ischemic conditioning coverage policy carries zero covered indications. Every clinical use case — from cardiac surgery protection to stroke treatment to Alzheimer's dementia — falls under the experimental, investigational, or unproven designation.
This matters because the list isn't short. CPB 0814 catalogs over 40 specific indications and marks every single one as non-covered. That's not a narrow policy with a few carve-outs. That's a blanket denial policy dressed up as a clinical guideline.
From a medical necessity standpoint, Aetna's position is simple: the clinical evidence isn't there. Whether you agree with that conclusion or not, the billing reality is the same. No indication meets medical necessity criteria under this policy.
The source policy does not address prior authorization. Consult your payer contract and Aetna's plan-specific guidelines for prior authorization requirements.
If your team has been billing remote ischemic conditioning as an adjunct to PCI or alongside coronary artery bypass procedures, stop. All CPT codes in the 92920–92944 range are listed as related codes in this policy. Those claims will not pass Aetna's medical necessity review. The effective date of November 22, 2025 means this is already in force.
Aetna Remote Ischemic Conditioning Exclusions and Non-Covered Indications
The scope of this exclusion list is genuinely unusual. Most experimental designation policies cover a handful of emerging uses. CPB 0814 covers the entire clinical universe of remote ischemic conditioning — including conditions that have been studied in large trials for over a decade.
Here's what Aetna classifies as experimental, investigational, or unproven:
Cardiovascular applications — PCI-related cardioprotection, CABG protection, ST-elevation myocardial infarction reperfusion injury prevention, heart failure treatment, and Takotsubo syndrome management all fall outside coverage.
Neurological applications — Acute ischemic stroke, thrombectomy support, cerebral ischemia, intra-cranial atherosclerotic disease, Moyamoya disease, traumatic brain injury, neonatal encephalopathy, and Parkinson's disease-associated excessive daytime sleepiness are all non-covered.
Cognitive and psychiatric applications — Alzheimer's dementia (G30.0–G30.9), vascular cognitive impairment, prevention of white matter hyperintensity progression, and post-stroke depression (F32.81–F32.89) are excluded.
Oncology — Cardioprotection during chemotherapy for patients with cancer (C00.0–D09.9) is non-covered.
Renal applications — Renal protection during cardiac surgery, contrast-induced acute kidney injury prevention, renal function enhancement after kidney transplantation, and renal protection after partial nephrectomy are all excluded.
Other surgical and systemic applications — Endovascular aneurysm repair, spinal surgery, orthopedic surgery, peripheral arterial disease, surgical flap microcirculation, lung transplantation graft dysfunction, ulcerative colitis, type 2 diabetes (E11.00–E11.A), hypertension (I10–I16.9), multiple sclerosis (G35.A–G35.D), sepsis (A40.0–A41.9), COVID-19 critical deterioration, and acute respiratory distress syndrome are all non-covered.
The real issue here is breadth. This isn't Aetna saying "we'll wait for a few more RCTs on stroke." They're saying no indication — at any stage of evidence — qualifies for reimbursement right now.
Coverage Indications at a Glance
| Indication | Status | Relevant Codes | Notes |
|---|---|---|---|
| PCI-related cardioprotection | Experimental | CPT 92920–92944; I20.0–I25.9 | No covered pathway |
| CABG and cardiac surgery protection | Experimental | CPT 92920–92944 | Blanket exclusion |
| ST-elevation MI reperfusion injury prevention | Experimental | CPT 92920–92944; I20.0–I25.9 | No covered indication |
| Heart failure treatment | Experimental | I50.1–I50.9 | Excluded under CPB 0814 |
| Acute ischemic stroke | Experimental | CPT 37184, 37187 | Includes thrombectomy adjunct use |
| Ischemic stroke — intravenous thrombolysis adjunct | Experimental | CPT 37184, 37187 | Non-covered even with documented clinical rationale |
| Cerebral ischemia | Experimental | — | Non-covered |
| Alzheimer's dementia | Experimental | G30.0–G30.9 | Non-covered |
| Vascular cognitive impairment | Experimental | F01.50–F03.C4 | Non-covered |
| Post-stroke depression prevention | Experimental | F32.81–F32.89 | Non-covered |
| Renal protection during cardiac surgery | Experimental | — | Non-covered |
| Contrast-induced acute kidney injury prevention | Experimental | — | Non-covered |
| Kidney transplant renal function enhancement | Experimental | — | Non-covered |
| Partial nephrectomy renal protection | Experimental | CPT 20000–29999 range | Non-covered |
| Chemotherapy cardioprotection (oncology) | Experimental | C00.0–D09.9 | Non-covered |
| Orthopedic surgery outcomes | Experimental | CPT 20000–29999 | Non-covered |
| Tourniquet-related ischemic damage in orthopedic surgery | Experimental | CPT 20000–29999 | Non-covered |
| Endovascular aneurysm repair protection | Experimental | CPT 37184, 37187 | Non-covered |
| Peripheral arterial disease | Experimental | CPT 37184, 37187 | Non-covered |
| Surgical flap microcirculation | Experimental | CPT 20000–29999 | Non-covered |
| Hypertension management | Experimental | I10–I16.9 | Non-covered |
| Multiple sclerosis | Experimental | G35.A–G35.D | Non-covered |
| Type 2 diabetes mellitus | Experimental | E11.00–E11.A | Non-covered |
| Sepsis management | Experimental | A40.0–A41.9 | Non-covered |
| COVID-19 deterioration prevention | Experimental | — | Non-covered |
| COVID-19 ARDS treatment | Experimental | — | Non-covered |
| Lung transplantation graft dysfunction | Experimental | — | Non-covered |
| Neonatal encephalopathy | Experimental | — | Non-covered |
| Necrotizing enterocolitis | Experimental | — | Non-covered |
| Spinal cord injury | Experimental | CPT 20000–29999 | Non-covered |
| Traumatic brain injury | Experimental | — | Non-covered |
| Traumatic hemorrhagic shock | Experimental | — | Non-covered |
| Subarachnoid hemorrhage | Experimental | I60.0–I60.9 | Non-covered |
| Intracerebral hemorrhage | Experimental | I61.0–I61.3 | Non-covered |
| Takotsubo syndrome | Experimental | I51.81 | Non-covered |
| Parkinson's disease-associated excessive daytime sleepiness | Experimental | G47.14 | Non-covered |
| Moyamoya disease | Experimental | — | Non-covered |
| Ulcerative colitis | Experimental | — | Non-covered |
| Radial artery occlusion prevention | Experimental | — | Non-covered |
| Diabetic foot ulcer | Experimental | E11.00–E11.A | Non-covered |
| Intra-cranial atherosclerotic disease | Experimental | — | Non-covered |
| White matter hyperintensity progression | Experimental | G31.84 | Non-covered |
Aetna Remote Ischemic Conditioning Billing Guidelines and Action Items 2025
The effective date is November 22, 2025. If you haven't acted yet, start today.
| # | Action Item |
|---|---|
| 1 | Pull any pending remote ischemic conditioning claims and hold them. If you have claims in queue that include remote ischemic conditioning as a billable component alongside CPT codes 92920–92944, pull them before submission. Aetna will deny them. Submitting anyway generates denial volume that costs your team time to work. |
| 2 | Audit your charge capture for CPT 92920–92944 and the 20000–29999 range. Remote ischemic conditioning billing often appears as an adjunct to procedural codes — not as a standalone line. Check whether your charge capture is bundling it in, explicitly or implicitly, and whether that's being documented. |
| 3 | Update your billing guidelines for any protocol that includes remote ischemic conditioning. If your cardiology or cardiac surgery program has a standing protocol that includes RIC as a procedural adjunct, that protocol now generates non-covered charges for Aetna members. Flag it internally and loop in your clinical team. |
| 4 | Check your ICD-10 diagnosis coding workflows. The ICD-10 code set attached to this policy spans across sepsis (A40.0–A41.9), malignant neoplasms (C00.0–D09.9), type 2 diabetes (E11.00–E11.A), dementia (F01.50–F03.C4), ischemic heart diseases (I20.0–I25.9), and 194 codes total. If your coders are mapping these diagnoses and remote ischemic conditioning appears anywhere in the encounter, it's a denial waiting to happen. |
| 5 | Understand what the source policy does and doesn't address. CPB 0814 does not address prior authorization. Consult your payer contract and Aetna's plan-specific guidelines for prior authorization requirements before building any claims strategy around this policy. Talk to your compliance officer if you're not sure how this applies to your billing mix. |
| 6 | Document any remote ischemic conditioning performed for research or protocol purposes separately. If your facility participates in clinical trials involving RIC, make sure your billing clearly separates research-context procedures from billable clinical services. Mixing them creates exposure. |
CPT and ICD-10 Codes for Remote Ischemic Conditioning Under CPB 0814
CPT Codes — All Classified as Related to Non-Covered Indications
| Code | Type | Description |
|---|---|---|
| 20000–29999 | CPT Range | Musculoskeletal System procedures |
| 37184 | CPT | Primary percutaneous transluminal mechanical thrombectomy, noncoronary, non-intracranial, arterial |
| 37187 | CPT | Percutaneous transluminal mechanical thrombectomy, vein(s), including intraprocedural pharmacological thrombolytic injection(s) |
| 92920 | CPT | Coronary therapeutic services and procedures |
| 92921 | CPT | Coronary therapeutic services and procedures |
| 92922 | CPT | Coronary therapeutic services and procedures |
| 92923 | CPT | Coronary therapeutic services and procedures |
| 92924 | CPT | Coronary therapeutic services and procedures |
| 92925 | CPT | Coronary therapeutic services and procedures |
| 92926 | CPT | Coronary therapeutic services and procedures |
| 92927 | CPT | Coronary therapeutic services and procedures |
| 92928 | CPT | Coronary therapeutic services and procedures |
| 92929 | CPT | Coronary therapeutic services and procedures |
| 92930 | CPT | Coronary therapeutic services and procedures |
| 92931 | CPT | Coronary therapeutic services and procedures |
| 92932 | CPT | Coronary therapeutic services and procedures |
| 92933 | CPT | Coronary therapeutic services and procedures |
| 92934 | CPT | Coronary therapeutic services and procedures |
| 92935 | CPT | Coronary therapeutic services and procedures |
| 92936 | CPT | Coronary therapeutic services and procedures |
| 92937 | CPT | Coronary therapeutic services and procedures |
| 92938 | CPT | Coronary therapeutic services and procedures |
| 92939 | CPT | Coronary therapeutic services and procedures |
| 92940 | CPT | Coronary therapeutic services and procedures |
| 92941 | CPT | Coronary therapeutic services and procedures |
| 92942 | CPT | Coronary therapeutic services and procedures |
| 92943 | CPT | Coronary therapeutic services and procedures |
| 92944 | CPT | Coronary therapeutic services and procedures |
Key ICD-10-CM Diagnosis Codes
| Code | Description |
|---|---|
| A40.0–A41.9 | Sepsis |
| C00.0–D09.9 | Malignant and in situ neoplasms |
| E11.00–E11.A | Type 2 diabetes mellitus |
| F01.50–F03.C4 | Dementia |
| F32.81–F32.89 | Other depressive episodes (post-stroke depression) |
| G30.0–G30.9 | Alzheimer's disease |
| G31.84 | Mild cognitive impairment, so stated |
| G35.A–G35.D | Multiple sclerosis |
| G47.14 | Hypersomnia due to medical condition |
| I10–I16.9 | Hypertensive diseases |
| I20.0–I25.9 | Ischemic heart diseases |
| I50.1–I50.9 | Heart failure |
| I51.81 | Takotsubo syndrome |
| I60.0–I60.9 | Nontraumatic subarachnoid hemorrhage |
| I61.0–I61.3 | Nontraumatic intracerebral hemorrhage |
CPB 0814 includes 194 total ICD-10-CM codes. The full code list is available in the Aetna policy document. Review all relevant diagnosis codes for your specialty before November 22, 2025.
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