Summary & Overview
CPT 0911T: Vagus Nerve Neurostimulation Device Electronic Check
CPT code 0911T identifies a device interrogation service for implanted integrated neurostimulation systems targeting the vagus nerve, performed without programming changes. Nationally, this code captures routine functional checks that support device safety, longevity monitoring, and documentation of device performance—key elements for managing patients with implantable vagus nerve stimulators.
Major payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise description of the clinical service and typical settings, plus operational benchmarks and payer coverage patterns where available. The publication outlines coding context, billing considerations, common modifiers, and typical clinical workflows associated with device checks.
This summary provides the clinical context for why routine electronic checks matter—confirming device integrity and identifying issues early—while also summarizing payer coverage trends and coding practice implications. The content covers national-level policy and billing considerations, expected documentation elements for claims, and where to look for payer-specific guidance. Data not available in the input is noted where applicable.
Billing Code Overview
CPT code 0911T describes an electronic check of an implanted integrated neurostimulation device on the vagus nerve without making any programming changes. This service is a remote or in-clinic device interrogation and functional check that verifies device status, lead integrity, battery condition, and recorded device data without performing reprogramming.
Service type: Device interrogation / electronic device check
Typical site of service: Outpatient clinic or device clinic; may also be performed during a follow-up visit in a neurology, neurosurgery, or implantable device clinic
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A typical patient is a 40–65-year-old adult with an implanted vagus nerve stimulation (VNS) system for medically refractory epilepsy or treatment-resistant depression who presents for routine device surveillance. The visit occurs in an outpatient neurology or device clinic setting, commonly in a hospital outpatient department, ambulatory surgery center, or specialty clinic. Workflow: the patient checks in, vital signs and brief focused history are obtained (device status, seizure frequency or mood changes, battery life concerns, recent infections). The clinician or trained device representative uses the programmer to perform an electronic interrogation of the implanted integrated neurostimulation device on the vagus nerve, verifies lead integrity and battery voltage, reviews event logs, and documents device diagnostics. No programming changes, reprogramming, or therapeutic parameter adjustments are performed during this encounter. If issues are identified (e.g., low battery, lead malfunction), the clinician schedules follow-up for reprogramming, interrogation with programming, or explant/replacement as clinically indicated.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when documentation supports significantly greater service work than typical electronic check due to complexity of concurrent evaluation (rare for interrogation alone) |
51 | Multiple procedures | Use when the electronic check is billed with other distinct procedures during the same session and payer allows multiple-procedure reporting |
52 | Reduced services | Use when the electronic check was partially discontinued or the service was not completed as originally planned |
53 | Discontinued procedure | Use when the electronic check was started but then terminated due to unforeseen clinical events |
59 | Distinct procedural service | Use when an electronic check is a distinct service from other procedures performed in the same encounter |
76 | Repeat procedure or service by same physician | Use when the same provider repeats the device interrogation during the global period or same day for clarification |
77 | Repeat procedure by another physician | Use when a different provider repeats the electronic check during the same day |
25 | Significant, separately identifiable evaluation and management service | Use when a separate E/M visit is provided and documented in addition to the device interrogation |
78 | Return to OR for related procedure by same physician | Use only if device interrogation leads immediately to a return-to-OR operative procedure during the same encounter |
RT | Right side | Use when laterality reporting is required by payer policy for laterality-specific devices or procedures |
| Taxonomy Code | Specialty | Notes |
|---|---|---|
| 207RG0400X | Neurology | Neurologists commonly perform VNS device checks and interpret device diagnostics |
| 2084P0800X | Psychiatry | Psychiatrists managing VNS for treatment-resistant depression perform device follow-up in some settings |
| 363L00000X | Nurse Practitioner | Advanced practice providers frequently perform device interrogations under supervision |
| 363A00000X | Physician Assistant | Physician assistants commonly conduct routine device checks in outpatient device clinics |
| 174400000X | Clinical Neurophysiology | Specialists in neurostimulation and device management may perform and interpret interrogations |
Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|---|---|
G40.909 | Epilepsy, unspecified, not intractable, without status epilepticus | VNS devices are commonly used for seizure management; routine interrogations assess device function and therapy delivery |
G40.101 | Localization-related (focal) epilepsy, with impairment of consciousness, not intractable, without status epilepticus | Focal epilepsy patients with VNS implants require periodic device checks to monitor therapy efficacy |
F33.9 | Major depressive disorder, recurrent, unspecified | VNS is an FDA-approved adjunct for treatment-resistant depression; device interrogation ensures proper stimulation delivery |
G40.501 | Generalized epilepsy, not intractable, without status epilepticus | Generalized epilepsy patients with VNS implants undergo routine checks to verify system integrity |
Z45.01 | Adjustment and management of implanted device (neurostimulator) | Used to indicate ongoing management of an implanted neurostimulator during device interrogations |
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|---|---|
0199T | Removal and replacement of implanted neurostimulator pulse generator, including reinsertion of existing lead(s) — cranial nerve (e.g., vagus nerve) | Performed when interrogation reveals device failure or depleted battery requiring generator replacement following electronic check |
99213 | Office or other outpatient visit for the evaluation and management of an established patient, low to moderate complexity | Commonly billed when a separate E/M visit is provided in conjunction with the device interrogation; document separate medical decision-making |
95970 | Electronic analysis of implanted neurostimulator pulse generator system, without programming, for cranial nerve (e.g., vagus) | A related code for electronic analysis without programming; used in some payer schedules for device checks similar to 0911T |
95971 | Electronic analysis of implanted neurostimulator pulse generator system, with programming | Used when the device interrogation includes programming changes; contrasts with 0911T where no programming is performed |
92604 | Evaluation of auditory-evoked potentials; complex, with interpretation and report | Occasionally performed in device clinics when adjacent neurodiagnostic testing is needed after interrogation (procedure-specific needs vary) |