Billing and Coding: Electroretinography (ERG)

This Billing and Coding Article provides billing and coding guidance for Local Coverage Determination (LCD) L37371, Electroretinography (ERG). Please refer to the LCD for reasonable and necessary requirements. Coding Guidance Notice: It is not appropriate to bill Medicare for services that are not covered (as described by the entire LCD) as if they are covered. When billing for non-covered services, use the appropriate modifier. When reporting ICD-10 code Z79.899, the medical record must reflect the medication administered as well as the underlying condition for which it was given. Documentation Requirements All documentation must be maintained in the patient's medical record and made available to the contractor upon request. Every page of the record must be legible and include appropriate patient identification information (e.g., complete name, dates of service[s]). The documentation must include the legible signature of the physician or non-physician practitioner responsible for and providing the care to the patient. The submitted medical record must support the use of the selected ICD-10-CM code(s). The submitted CPT/HCPCS code must describe the service performed.

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