CPT® Code 0434T

Code Deleted. See 93153.

Official Description

Interrogation device evaluation implanted neurostimulator pulse generator system for central sleep apnea

Common Language Description

The CPT® Code 0434T refers to the interrogation and programming device evaluation of an implanted neurostimulator pulse generator system specifically designed for the treatment of central sleep apnea. This procedure involves a comprehensive assessment of the neurostimulator's functionality and effectiveness in delivering hypoglossal nerve stimulation, which is crucial for maintaining airway patency during sleep. The evaluation typically occurs approximately one month after the surgical implantation of the device, allowing for initial healing and adjustment to the neurostimulator system. During this evaluation, the clinician utilizes a programming device to measure the patient's breathing patterns and to program the neurostimulator to activate during the inspiratory phase of respiration, which is when the airway is most susceptible to collapse. The programming process includes setting specific parameters such as the upper and lower limits of pulse stimulation, the rate of stimulation, and the duration of each stimulation pulse. Additionally, the patient receives instructions on how to use a home remote device, which allows them to adjust the intensity of the stimulation pulses within the parameters established by the physician. This ensures that the patient can manage their treatment effectively at home. Furthermore, the procedure may involve programming adjustments during a sleep study encounter to optimize the device's performance, including fine-tuning rate and amplitude parameters, pulse duration, waveform configuration, cycling, and output. Overall, the interrogation of the neurostimulator system is essential for assessing various factors such as stimulation pulse rate, amplitude, duration, intensity, battery status, electrode functionality, output, cycling, impedance, and patient compliance, ensuring the device operates effectively for the patient's needs.

1. Indications

The interrogation and programming device evaluation of an implanted neurostimulator pulse generator system for central sleep apnea is indicated for patients diagnosed with central sleep apnea who have undergone surgical implantation of the neurostimulator. This procedure is essential for assessing the effectiveness of the device in managing the patient's condition and ensuring optimal functioning of the neurostimulator system.

Central Sleep Apnea The primary indication for this procedure is the presence of central sleep apnea, a condition characterized by repeated episodes of apnea due to a lack of respiratory effort during sleep.
Post-Implantation Assessment This evaluation is performed approximately one month after the surgical implantation of the neurostimulator to ensure proper device functionality and patient adaptation.

2. Procedure

The procedure for the interrogation and programming of the neurostimulator pulse generator system involves several critical steps to ensure the device is functioning correctly and effectively managing the patient's central sleep apnea.

Step 1: Initial Assessment The clinician begins by conducting an initial assessment of the patient’s condition and reviewing any relevant medical history or previous evaluations related to their central sleep apnea. This step is crucial for understanding the patient's specific needs and tailoring the programming accordingly.
Step 2: Device Interrogation The clinician uses a programming device to interrogate the implanted neurostimulator. This involves checking various parameters such as the rate, amplitude, duration, and intensity of the stimulation pulse. The clinician also assesses the battery status, electrode functionality, output, cycling, and impedance to ensure the device is operating within the desired specifications.
Step 3: Programming Adjustments Based on the interrogation results, the clinician makes necessary programming adjustments. This includes setting the upper and lower limits of pulse stimulation, adjusting the rate of stimulation, and determining the duration of each stimulation pulse. These adjustments are critical for optimizing the device's performance and ensuring effective treatment of central sleep apnea.
Step 4: Patient Instruction After programming the device, the clinician instructs the patient on how to use the home remote device. This includes guidance on how to adjust the intensity of the stimulation pulses within the parameters set during the programming session. Patient education is vital for ensuring compliance and effective management of their condition.
Step 5: Follow-Up Considerations The clinician may recommend follow-up evaluations or programming sessions, especially if adjustments are needed based on the patient's response to treatment. This may include programming during a sleep study encounter to further refine the device's settings for optimal performance.

3. Post-Procedure

Post-procedure care involves monitoring the patient's response to the neurostimulator and ensuring they understand how to use the home remote device effectively. Patients are encouraged to report any issues or concerns regarding the device's performance or their sleep patterns. Regular follow-up appointments may be scheduled to reassess the device's settings and make any necessary adjustments based on the patient's ongoing needs and compliance. Additionally, the clinician may recommend periodic evaluations to ensure the neurostimulator continues to function optimally and effectively manage the patient's central sleep apnea.

Short Descr	INTERRO EVAL NPGS APNEA
Medium Descr	INTERRO DEV EVAL NSTIM PLS GEN SYS SLEEP APNEA
Long Descr	Interrogation device evaluation implanted neurostimulator pulse generator system for central sleep apnea
Status Code	Carriers Price the Code
Global Days	XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC)	0 - Physician Service Code
Multiple Procedures (51)	0 - No payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50)	0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions	09 - Concept does not apply.
Assistant Surgeon (80, 82)	0 - Payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62)	0 - Co-surgeons not permitted for this procedure.
Team Surgery (66)	0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family	99 - Concept Does Not Apply
APC Status Indicator	Procedure or Service, Not Discounted when Multiple
Berenson-Eggers TOS (BETOS)	D1E - Other DME
MUE	Not applicable/unspecified.

Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.