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Needle electromyography (EMG) is a diagnostic procedure specifically targeting the larynx, which is the voice box located in the throat. This procedure is utilized to assess and diagnose disorders related to the laryngeal nerves and muscles. The larynx plays a crucial role in voice production, and any dysfunction in its nerve or muscle function can lead to significant voice and swallowing issues. During the procedure, small EMG needles are carefully inserted through the skin and into the cricothyroid membrane, allowing for precise placement in the muscles responsible for vocal cord movement. The patient is then instructed to perform a series of vocal exercises, which facilitate the movement of the vocal cords. This movement generates electrical activity that is recorded by the EMG equipment, providing valuable data for the physician. After the test is completed, the needles are removed, and pressure is applied to the puncture sites to minimize any bleeding or discomfort. The physician subsequently analyzes the recorded electrical responses and compiles a comprehensive written report detailing the findings, which aids in the diagnosis and management of laryngeal conditions.
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Needle electromyography (EMG) of the larynx is indicated for various clinical scenarios where assessment of laryngeal nerve and muscle function is necessary. The following conditions may warrant the performance of this procedure:
The needle electromyography procedure for the larynx involves several critical steps to ensure accurate assessment of laryngeal function. The following outlines the procedural steps:
Following the needle electromyography procedure, patients may experience mild discomfort at the needle insertion sites, which typically resolves quickly. It is important for the physician to provide post-procedure care instructions, including monitoring for any unusual symptoms such as excessive bleeding or signs of infection. Patients are generally advised to avoid strenuous activities for a short period following the procedure. The physician will discuss the findings from the EMG test during a follow-up appointment, where further management or treatment options may be considered based on the results.
| Short Descr | NEEDLE EMG LARYNX | Medium Descr | NEEDLE ELECTROMYOGRAPHY LARYNX | Long Descr | Needle electromyography; larynx | Status Code | Active Code | Global Days | XXX - Global Concept Does Not Apply | PC/TC Indicator (26, TC) | 1 - Diagnostic Tests for Radiology Services | Multiple Procedures (51) | 0 - No payment adjustment rules for multiple procedures apply. | Bilateral Surgery (50) | 2 - 150% payment adjustment 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 | STV-Packaged Codes | Type of Service (TOS) | 5 - Diagnostic Laboratory | Berenson-Eggers TOS (BETOS) | T1E - Lab tests - glucose | MUE | 1 | CCS Clinical Classification | 7 - Other diagnostic nervous system procedures |
This is a primary code that can be used with these additional add-on codes.
| 95940 | Addon Code Resequenced Code MPFS Status: Active Code APC N Continuous intraoperative neurophysiology monitoring in the operating room, one on one monitoring requiring personal attendance, each 15 minutes (List separately in addition to code for primary procedure) | 95941 | Addon Code Resequenced Code MPFS Status: Not valid for Medicare purposes APC N Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby) or for monitoring of more than one case while in the operating room, per hour (List separately in addition to code for primary procedure) | G0453 | Add-on Code Medicare Coverage: Carrier Priced MPFS Status: Active Code APC N Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) |
| 26 | Professional component: certain procedures are a combination of a physician or other qualified health care professional component and a technical component. when the physician or other qualified health care professional component is reported separately, the service may be identified by adding modifier 26 to the usual procedure number. | 59 | 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. | GZ | Item or service expected to be denied as not reasonable and necessary | XU | Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service | TC | Technical component; under certain circumstances, a charge may be made for the technical component alone; under those circumstances the technical component charge is identified by adding modifier 'tc' to the usual procedure number; technical component charges are institutional charges and not billed separately by physicians; however, portable x-ray suppliers only bill for technical component and should utilize modifier tc; the charge data from portable x-ray suppliers will then be used to build customary and prevailing profiles | XS | Separate structure, a service that is distinct because it was performed on a separate organ/structure | 52 | Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well-being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use). | 76 | Repeat procedure or service by same physician or other qualified health care professional: it may be necessary to indicate that a procedure or service was repeated by the same physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 76 to the repeated procedure or service. note: this modifier should not be appended to an e/m service. | GC | This service has been performed in part by a resident under the direction of a teaching physician | GY | Item or service statutorily excluded, does not meet the definition of any medicare benefit or, for non-medicare insurers, is not a contract benefit | LT | Left side (used to identify procedures performed on the left side of the body) | Q5 | Service furnished under a reciprocal billing arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area |
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| 2025-01-01 | Changed | Short Description changed. |
| 2011-01-01 | Changed | Short description changed. |
| 2006-01-01 | Added | First appearance in code book in 2006. |
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