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The CPT® Code 92531 refers to a procedure known as the spontaneous nystagmus test, which includes the evaluation of gaze-evoked nystagmus. Nystagmus is characterized by rapid, involuntary movements of the eyes, which can be indicative of various vestibular disorders. These disorders often manifest as symptoms such as vertigo, which is a sensation of spinning or dizziness, and balance disturbances that may affect a patient's ability to maintain stability, stand upright, or walk normally. The test is crucial for diagnosing conditions that impact the vestibular system, which is responsible for maintaining balance and spatial orientation. During the procedure, the physician observes the patient's eye movements either directly or through the use of Frenzel optical goggles, which enhance the visibility of the eye movements. The test involves a series of gaze directions, where the patient is instructed to look straight ahead and then to the right, left, up, and down, with the physician noting any abnormal eye movements that occur. The results of these observations are then analyzed and interpreted by the physician to assist in diagnosing potential vestibular disorders.
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The spontaneous nystagmus test is indicated for the evaluation of various vestibular disorders. The following conditions may warrant the performance of this procedure:
The spontaneous nystagmus test involves several procedural steps to accurately assess eye movements. The physician begins by observing the patient's eyes either directly or through the use of Frenzel optical goggles, which magnify the eye movements for better visibility. If the goggles are used, the physician will observe the eye movements in both light and dark conditions. The test can also be performed with the patient's eyes opened and closed if conducted under direct vision. The procedure starts with the patient looking straight ahead for a duration of 30 seconds. Following this, the physician instructs the patient to direct their gaze to the right for 10 seconds, after which the eyes are returned to the center. This step is repeated for the left, upward, and downward gaze directions. Throughout the test, any abnormal eye movements are meticulously noted by the physician. After completing the gaze testing in all directions, the physician analyzes and interprets the results to determine the presence of any vestibular dysfunction.
After the spontaneous nystagmus test is completed, the physician will typically discuss the findings with the patient. Depending on the results, further diagnostic testing or referrals to specialists may be recommended. Patients may be advised on any necessary follow-up appointments or additional evaluations needed to address their symptoms. It is important for patients to report any ongoing symptoms or new developments following the test, as this information can be crucial for further assessment and management of their condition.
| Short Descr | SPONTANEOUS NYSTAGMUS STUDY | Medium Descr | SPONTANEOUS NYSTAGMUS W/GAZE | Long Descr | Spontaneous nystagmus, including gaze | Status Code | Bundled Code | Global Days | XXX - Global Concept Does Not Apply | PC/TC Indicator (26, TC) | 9 - Not Applicable | Multiple Procedures (51) | 9 - Concept does not apply. | Bilateral Surgery (50) | 9 - Concept does not apply. | Physician Supervisions | 09 - Concept does not apply. | Assistant Surgeon (80, 82) | 9 - Concept does not apply. | Co-Surgeons (62) | 9 - Concept does not apply. | Team Surgery (66) | 9 - Concept does not apply. | Diagnostic Imaging Family | 99 - Concept Does Not Apply | APC Status Indicator | Items and Services Packaged into APC Rates | Type of Service (TOS) | 1 - Medical Care | Berenson-Eggers TOS (BETOS) | M5D - Specialist - other | MUE | 0 | CCS Clinical Classification | 220 - Ophthalmologic and otologic diagnosis and treatment |
| 25 | Significant, separately identifiable evaluation and management service by the same physician or other qualified health care professional on the same day of the procedure or other service: it may be necessary to indicate that on the day a procedure or service identified by a cpt code was performed, the patient's condition required a significant, separately identifiable e/m service above and beyond the other service provided or beyond the usual preoperative and postoperative care associated with the procedure that was performed. a significant, separately identifiable e/m service is defined or substantiated by documentation that satisfies the relevant criteria for the respective e/m service to be reported (see evaluation and management services guidelines for instructions on determining level of e/m service). the e/m service may be prompted by the symptom or condition for which the procedure and/or service was provided. as such, different diagnoses are not required for reporting of the e/m services on the same date. this circumstance may be reported by adding modifier 25 to the appropriate level of e/m service. note: this modifier is not used to report an e/m service that resulted in a decision to perform surgery. see modifier 57 for significant, separately identifiable non-e/m services, see modifier 59. | 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. | GP | Services delivered under an outpatient physical therapy plan of care |
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| 2013-01-01 | Changed | Guideline information changed. |
| Pre-1990 | Added | Code added. |
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