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Electronic analysis of implanted neurostimulator pulse generator/transmitter (eg, contact group[s], interleaving, amplitude, pulse width, frequency [Hz], on/off cycling, burst, magnet mode, dose lockout, patient selectable parameters, responsive neurostim

CPT4 code

Name of the Procedure:

Electronic Analysis of Implanted Neurostimulator Pulse Generator/Transmitter

Summary

This procedure involves assessing and adjusting the settings of an implanted neurostimulator, which is a device used to manage neurological conditions by sending electrical impulses to specific parts of the nervous system. The analysis includes checking various parameters such as amplitude, frequency, and cycling patterns to ensure optimal functioning.

Purpose

The procedure aims to manage chronic pain, movement disorders, epilepsy, or other neurological conditions by fine-tuning the neurostimulator. It ensures the device is functioning correctly and delivering the intended therapy effectively.

Indications

  • Chronic pain not responsive to conventional treatment
  • Movement disorders like Parkinson's disease
  • Epilepsy with frequent seizures
  • Severe dystonia or essential tremor Patients who have already received an implanted neurostimulator and need its settings monitored or adjusted to maintain therapeutic efficacy.

Preparation

Patients may be asked to:

  • Bring any device manuals or controls
  • Avoid heavy meals or caffeine prior to the appointment
  • List current medications as some can interfere with neurostimulation There are typically no extensive pre-procedure tests required, but recent neurological assessments can be helpful.

Procedure Description

  1. The patient is positioned comfortably, often sitting or reclining.
  2. The healthcare provider uses a specialized device to communicate wirelessly with the neurostimulator.
  3. Various settings such as contact groups, amplitude, pulse width, and frequency are reviewed and adjusted.
  4. Real-time feedback is gathered from the patient to assess symptom control.
  5. Adjustments are made iteratively until optimal settings are achieved.

Tools: Programmer device, patient controller. Anesthesia: Usually none required; sometimes local for minor discomfort.

Duration

The procedure typically takes between 30 to 60 minutes.

Setting

The procedure is usually performed in an outpatient clinic or a specialized neurological center.

Personnel

  • Neurologist or Pain Specialist
  • Nurse Practitioner or Physician Assistant
  • Medical Technician

Risks and Complications

  • Temporary worsening of symptoms
  • Device malfunction
  • Minor discomfort at the adjustment site In rare cases, changes in the settings can lead to new or increased symptoms, which can often be reversed by further adjustments.

Benefits

  • Improved symptom control
  • Enhanced quality of life
  • Immediate feedback allows for real-time optimization of the device

Recovery

  • Minimal to no recovery time; patients can usually resume normal activities immediately
  • Follow-up appointments may be necessary to ensure ongoing effectiveness and to make any further adjustments

Alternatives

  • Medication management
  • Surgical interventions like deep brain stimulation (DBS) for movement disorders
  • Non-invasive neuromodulation techniques Alternatives may be less effective or have more significant side effects compared to neurostimulation.

Patient Experience

Patients typically feel minimal discomfort during the procedure. They might experience slight tingling or a mild adjustment sensation when settings are being changed. Pain management is usually not necessary, but any discomfort is addressed promptly.

Medical Policies and Guidelines for Electronic analysis of implanted neurostimulator pulse generator/transmitter (eg, contact group[s], interleaving, amplitude, pulse width, frequency [Hz], on/off cycling, burst, magnet mode, dose lockout, patient selectable parameters, responsive neurostim

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