Aetna modified CPB 0776 for electromagnetic navigation-guided bronchoscopy, effective September 26, 2025. Here's what billing teams need to know.
Aetna, a CVS Health company, updated its electromagnetic navigation bronchoscopy coverage policy under CPB 0776 in the Aetna system. The update draws sharper lines between what's covered and what's now formally classified as experimental — and those lines have direct consequences for CPT +31627 and HCPCS codes C7509, C7510, C7511, and C8005. If your pulmonology or interventional pulmonology practice bills these procedures, review this policy before any claims go out the door.
Quick-Reference Table
| Field | Detail |
|---|---|
| Payer | Aetna |
| Policy | Electromagnetic Navigation-guided Bronchoscopy — CPB 0776 |
| Policy Code | CPB 0776 |
| Change Type | Modified |
| Effective Date | September 26, 2025 |
| Impact Level | High |
| Specialties Affected | Pulmonology, Interventional Pulmonology, Thoracic Surgery, Oncology |
| Key Action | Audit charge capture for C8005 and 0600T/0601T — these are now explicitly non-covered. Confirm peripheral nodule inaccessibility documentation before billing +31627. |
Aetna Electromagnetic Navigation Bronchoscopy Coverage Criteria and Medical Necessity Requirements 2025
Aetna's coverage policy for electromagnetic navigation (EN)-guided bronchoscopy is narrow by design. Aetna considers EN-guided bronchoscopy medically necessary in one specific scenario: a patient has a peripheral pulmonary nodule that requires a pathologic diagnosis, and that nodule is not reachable by standard bronchoscopy or by a transthoracic biopsy approach.
That's it. Two conditions, both must be met.
Your documentation needs to show the nodule is peripheral. It also needs to show why standard bronchoscopy won't work and why transthoracic biopsy isn't an option. If your notes don't address both of those points explicitly, expect a claim denial.
When medical necessity is met, CPT add-on code +31627 (bronchoscopy with computer-assisted navigation) is covered. HCPCS codes C7509, C7510, and C7511 are also covered when selection criteria are satisfied. These three HCPCS codes represent facility-side reporting for diagnostic cell washing, bronchoalveolar lavage, and endobronchial biopsy procedures performed under image-guided navigation. Make sure your facility billing team and your professional billing team are aligned on which codes each side reports — mismatch there is a common source of denials.
Prior authorization requirements under this coverage policy are not explicitly detailed in CPB 0776 itself, but EN-guided bronchoscopy procedures routinely trigger prior auth under Aetna commercial and managed care plans. Check plan-level requirements before scheduling. If your practice doesn't have a standing process to verify prior authorization for these cases, build one now.
Aetna Electromagnetic Navigation Bronchoscopy Exclusions and Non-Covered Indications
This is where the update gets consequential. Aetna explicitly classifies four procedure categories as experimental, investigational, or unproven. That classification means no reimbursement — and billing these without a documented waiver or ABN process in place is a fast path to write-offs and potential compliance exposure.
Cone-beam CT augmented EN-guided bronchoscopy for biopsy of indeterminate pulmonary nodules is not covered. This is a notable call. Cone-beam CT augmentation has been gaining adoption as a way to improve navigation accuracy. Aetna's position here is that the effectiveness hasn't been established. If your physicians are using this approach, they need to know upfront that Aetna won't pay.
EN bronchoscopy-guided microwave ablation for pulmonary nodules is also experimental. CPT codes 0600T and 0601T — irreversible electroporation ablation codes — fall into the not-covered group. Those codes are listed separately from the microwave ablation category, but the policy groups them under the same experimental designation. Review the code table carefully.
EN bronchoscopy with non-thermal ablation (electroporation) for diagnosis or treatment of lung conditions is experimental. HCPCS code C8005 (non-thermal transbronchial ablation by pulsed electric field) is explicitly not covered. If your team has been billing C8005 expecting coverage, stop and audit those claims.
Trans-bronchial lung cryo-biopsy to improve diagnostic yield in digital tomosynthesis-assisted EN bronchoscopic biopsy is also experimental. This one is specific — it's not cryo-biopsy broadly, it's cryo-biopsy used as a yield-improvement technique within this particular navigation workflow.
The real issue here is that several of these are emerging techniques that your physicians are likely already using or considering. The gap between clinical adoption and payer coverage is widest right now in this space. Have a direct conversation with your interventional pulmonologists about which patients are Aetna members before cases are booked.
Coverage Indications at a Glance
| Indication | Status | Relevant Codes | Notes |
|---|---|---|---|
| EN-guided bronchoscopy for peripheral pulmonary nodule requiring pathologic diagnosis, not accessible by standard bronchoscopy or transthoracic biopsy | Covered | +31627, C7509, C7510, C7511 | Both inaccessibility criteria must be documented |
| Cone-beam CT augmented EN-guided bronchoscopy for indeterminate pulmonary nodules | Experimental / Not Covered | — | No established effectiveness per Aetna |
| EN bronchoscopy-guided microwave ablation for pulmonary nodules | Experimental / Not Covered | 0600T, 0601T | Ablation codes explicitly excluded |
| EN bronchoscopy with non-thermal ablation (electroporation) | Experimental / Not Covered | C8005 | Includes targeting pulmonary lesions/tumors and lymph node sampling |
| Trans-bronchial lung cryo-biopsy for diagnostic yield improvement in tomosynthesis-assisted EN bronchoscopy | Experimental / Not Covered | — | Specific to yield-improvement indication; not a blanket cryo-biopsy exclusion |
Aetna Electromagnetic Navigation Bronchoscopy Billing Guidelines and Action Items 2025
These are direct steps your billing team should take before or immediately after the September 26, 2025 effective date.
| # | Action Item |
|---|---|
| 1 | Pull any claims billed with C8005 or 0600T/0601T for Aetna members and audit them now. If claims for these codes went out after September 26, 2025, they are at high risk of denial or recoupment. Identify them before Aetna does. |
| 2 | Update your charge capture to flag C8005, 0600T, and 0601T as non-covered for Aetna. Your charge capture system should prevent these codes from routing to Aetna without a compliance review. A hard stop or a workflow alert is better than a manual catch. |
| 3 | Require dual inaccessibility documentation for all EN bronchoscopy cases billed with +31627. Your clinical documentation must show the nodule is peripheral, standard bronchoscopy is insufficient, and transthoracic biopsy is not an appropriate approach. One without the other will not support medical necessity under this coverage policy. |
| 4 | Verify prior authorization requirements plan by plan for Aetna commercial members. CPB 0776 sets coverage criteria, but individual plan riders and managed care contracts often add prior auth requirements on top. Don't assume the CPB alone tells you everything. Call to verify or check Aetna's portal before scheduling. |
| 5 | Brief your interventional pulmonologists on the cone-beam CT augmentation exclusion specifically. This one will surprise physicians who view cone-beam CT as standard workflow for EN bronchoscopy. Aetna's position is that it's experimental. That conversation needs to happen before the procedure is scheduled, not after. |
| 6 | For Aetna member cases involving non-covered techniques, use an ABN or advance notice process. If a patient is scheduled for a technique Aetna classifies as experimental and they want to proceed, you need a signed advance beneficiary notice equivalent (or the commercial plan's version) in place. Talk to your compliance officer about the right document for commercial Aetna plans — the rules differ from Medicare. |
| 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 Electromagnetic Navigation Bronchoscopy Under CPB 0776
Covered CPT Codes (When Selection Criteria Are Met)
| Code | Type | Description |
|---|---|---|
| +31627 | CPT (Add-on) | Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with computer-assisted navigation (add-on to primary bronchoscopy code) |
Covered HCPCS Codes (When Selection Criteria Are Met)
| Code | Type | Description |
|---|---|---|
| C7509 | HCPCS | Bronchoscopy, rigid or flexible, diagnostic with cell washing(s) when performed, with computer-assisted image-guided navigation |
| C7510 | HCPCS | Bronchoscopy, rigid or flexible, with bronchial alveolar lavage(s), with computer-assisted image-guided navigation |
| C7511 | HCPCS | Bronchoscopy, rigid or flexible, with single or multiple bronchial or endobronchial biopsy(ies), with computer-assisted image-guided navigation |
Not Covered / Experimental Codes
| Code | Type | Description | Reason |
|---|---|---|---|
| 0600T | CPT | Ablation, irreversible electroporation; 1 or more tumors per organ, including imaging guidance, when performed | Classified as experimental under EN bronchoscopy-guided microwave ablation/electroporation category |
| 0601T | CPT | Ablation, irreversible electroporation; 1 or more tumors per organ, including fluoroscopic and ultrasound guidance, when performed | Classified as experimental under EN bronchoscopy-guided microwave ablation/electroporation category |
| C8005 | HCPCS | Bronchoscopy, rigid or flexible, non-thermal transbronchial ablation of lesion(s) by pulsed electric field | Explicitly not covered for indications listed in CPB 0776 |
Other CPT Codes Related to CPB 0776
These codes are referenced in the policy but are not independently covered or excluded by CPB 0776. They are contextually related bronchoscopy codes your billing team should be aware of in the broader procedure workflow.
| Code | Type | Description |
|---|---|---|
| 31615 | CPT | Tracheobronchoscopy through established tracheostomy incision |
| 31622 | CPT | Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; diagnostic, with cell washing(s), when performed |
| 31623 | CPT | Bronchoscopy with brushing or protected brushings |
| 31624 | CPT | Bronchoscopy with bronchial alveolar lavage |
| 31625 | CPT | Bronchoscopy with bronchial or endobronchial biopsy(s), single or multiple sites |
| 31626 | CPT | Bronchoscopy with placement of fiducial markers, single or multiple |
| 31628 | CPT | Bronchoscopy with transbronchial lung biopsy(s), single lobe |
| 31629 | CPT | Bronchoscopy with transbronchial needle aspiration biopsy(s), trachea, main stem and/or lobar bronchus(i) |
| 31630 | CPT | Bronchoscopy with tracheal/bronchial dilation or closed reduction of fracture |
| 31631 | CPT | Bronchoscopy with placement of tracheal stent(s) (includes tracheal/bronchial dilation as required) |
| 31635 | CPT | Bronchoscopy with removal of foreign body |
| 31636 | CPT | Bronchoscopy with placement of bronchial stent(s), initial bronchus |
| 31638 | CPT | Bronchoscopy with revision of tracheal or bronchial stent inserted at previous session |
| 31640 | CPT | Bronchoscopy with excision of tumor |
| 31641 | CPT | Bronchoscopy with destruction of tumor or relief of stenosis by any method other than excision (e.g., laser therapy) |
| 31643 | CPT | Bronchoscopy with placement of catheter(s) for intracavitary radioelement application |
Other HCPCS Codes Related to CPB 0776
| Code | Type | Description |
|---|---|---|
| C7567 | HCPCS | Bronchoscopy, rigid or flexible, including fluoroscopic guidance when performed, with transbronchial lung biopsy(s) |
Key ICD-10-CM Diagnosis Codes
The policy references 101 ICD-10-CM codes. The primary diagnostic categories are malignant neoplasms of the trachea, bronchus, and lung (C33 and the C34.x family). A representative selection is below — your billing team should pull the full list from the Aetna CPB 0776 source document.
| Code | Description |
|---|---|
| C33 | Malignant neoplasm of trachea |
| C34.0 | Malignant neoplasm of main bronchus |
| C34.10 | Malignant neoplasm of upper lobe, bronchus or lung, unspecified side |
| C34.11 | Malignant neoplasm of upper lobe, right bronchus or lung |
| C34.12 | Malignant neoplasm of upper lobe, left bronchus or lung |
| C34.20 | Malignant neoplasm of middle lobe, bronchus or lung, unspecified |
| C34.30 | Malignant neoplasm of lower lobe, bronchus or lung, unspecified side |
| C34.31 | Malignant neoplasm of lower lobe, right bronchus or lung |
| C34.32 | Malignant neoplasm of lower lobe, left bronchus or lung |
| C34.40–C34.49 | Malignant neoplasm of other specified and overlapping parts of bronchus and lung |
| C34.50–C34.58 | Malignant neoplasm of lower lobe variants — additional specificity codes |
The full ICD-10-CM list in CPB 0776 extends through secondary malignancies and additional pulmonary lesion codes. Cross-reference the complete list in the official Aetna CPB 0776 document before finalizing your charge capture mapping.
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