© Copyright 2025 American Medical Association. All rights reserved.
Visual evoked potential (VEP) is a diagnostic test that assesses the functional integrity of the visual pathway, which includes the retina, optic nerve, and the visual cortex of the brain. This procedure is particularly valuable in evaluating visual acuity in patients who may be unable to communicate their visual experiences, such as very young children or non-verbal individuals. The screening process involves the use of an automated device that presents visual stimuli to the patient while simultaneously recording the brain's electrical responses through electrodes placed on the scalp. The visual stimuli can vary and may include strobe flashes, light-emitting diodes (LEDs), and patterns that are reversed or presented in a steady state, such as checkerboard patterns. By analyzing these responses, healthcare professionals can identify various visual impairments, including amblyopia, refractive errors like myopia (near-sightedness) and hyperopia (far-sightedness), astigmatism, and strabismus. This test is crucial for early detection and intervention in visual disorders, ensuring that appropriate treatment can be initiated to improve visual outcomes.
© Copyright 2025 Coding Ahead. All rights reserved.
The visual evoked potential (VEP) screening is indicated for the assessment of various visual impairments, particularly in patients who may not be able to provide verbal feedback regarding their vision. The following conditions and symptoms warrant the use of this procedure:
The procedure for conducting a visual evoked potential screening involves several key steps to ensure accurate measurement of the visual pathway's integrity. The following outlines the procedural steps:
After the visual evoked potential screening, the patient may resume normal activities immediately, as there are typically no side effects associated with the procedure. The results of the test will be reviewed and interpreted by a qualified healthcare professional, who will discuss the findings with the patient or their guardians. If any visual impairments are detected, appropriate referrals for further evaluation or treatment may be recommended. It is important for the healthcare provider to ensure that the patient understands the results and any subsequent steps that may be necessary for managing their visual health.
| Short Descr | VISUAL EP SCR ACUITY AUTO | Medium Descr | VISUAL EVOKED POTENTIAL ACUITY SCREENING AUTO | Long Descr | Visual evoked potential, screening of visual acuity, automated, with report | Status Code | Carriers Price the Code | Global Days | YYY - Carrier Determines Whether Global Concept Applies | 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 | Non-Covered Service, not paid under OPPS | Type of Service (TOS) | 1 - Medical Care | Berenson-Eggers TOS (BETOS) | P4E - Eye procedure - other | MUE | 1 |
| 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. | 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. | LT | Left side (used to identify procedures performed on the left side of the body) |
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| 2018-01-01 | Changed | First appearance in codebook. |
| 2018-01-01 | Changed | Long description changed. |
| 2017-01-01 | Changed | Changed Code & Guidelines |
| 2014-01-01 | Added | First appearance in codebook. |
| 2013-07-01 | Added | Code Added |
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