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The procedure described by CPT® Code 64410 involves the injection of an anesthetic agent into the phrenic nerve, which is a critical component of the respiratory system. The phrenic nerve is a mixed spinal nerve that originates from the cervical spinal roots, specifically from C4. Its primary function is to innervate the diaphragm, the muscle responsible for breathing, and it also carries sensory information from the pleura, lungs, and pericardium. This injection, commonly referred to as a nerve block, can be performed for both diagnostic and therapeutic purposes. In a diagnostic context, it may help determine the source of pain or dysfunction related to the diaphragm or associated structures. Therapeutically, it can provide relief from pain or discomfort caused by conditions affecting the diaphragm or surrounding areas. The procedure begins with the cleansing of the skin over the C4 region of the spine to minimize the risk of infection. A needle is then carefully inserted to reach the phrenic nerve, and aspiration is performed to confirm that the needle is not positioned within a blood vessel before the anesthetic agent is injected. This careful technique is essential to ensure the safety and efficacy of the procedure.
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The injection of an anesthetic agent into the phrenic nerve, as described by CPT® Code 64410, is indicated for various clinical scenarios. The following conditions may warrant this procedure:
The procedure for the injection of an anesthetic agent into the phrenic nerve involves several critical steps to ensure accuracy and safety. The following procedural steps are outlined:
Following the injection of the anesthetic agent into the phrenic nerve, patients may be monitored for any immediate adverse reactions or complications. It is important to observe the patient for signs of respiratory distress or any unusual symptoms. Patients may experience temporary relief from pain or discomfort, and the duration of this relief can vary based on individual factors and the specific anesthetic used. Instructions for post-procedure care should be provided, including recommendations for activity levels and signs to watch for that may require medical attention. Follow-up appointments may be scheduled to assess the effectiveness of the procedure and to determine if further interventions are necessary.
| Short Descr | N BLOCK INJ PHRENIC | Medium Descr | INJECTION ANESTHETIC AGENT PHRENIC NERVE | Long Descr | Injection, anesthetic agent; phrenic nerve | Status Code | Active Code | Global Days | 000 - Endoscopic or Minor Procedure | PC/TC Indicator (26, TC) | 0 - Physician Service Code | Multiple Procedures (51) | 2 - Standard payment adjustment rules for multiple procedures apply. | Bilateral Surgery (50) | 1 - 150% payment adjustment for bilateral procedures applies. | 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, Multiple Reduction Applies | Type of Service (TOS) | 2 - Surgery | Berenson-Eggers TOS (BETOS) | P5E - Ambulatory procedures - other | MUE | Not applicable/unspecified. | CCS Clinical Classification | 9 - Other OR therapeutic nervous system procedures |
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| 2019-12-31 | Deleted | Code deleted. To report injection of anesthetic agent and/or steroid to the phrenic nerve, cervical plexus, use 64999 |
| 2011-01-01 | Changed | Short description changed. |
| Pre-1990 | Added | Code added. |
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