What code represents multiple outpatient hospital evaluation and management encounters on the same date?

The code that represents multiple outpatient hospital evaluation and management encounters on the same date is indeed the -27 modifier. This modifier is specifically used to indicate that the patient received multiple separately identifiable evaluation and management (E/M) services on the same day, which is essential for proper coding and billing in such scenarios.

When multiple E/M services are provided to a patient on the same day, the -27 modifier helps to clarify that these services are distinct and not just a continuation of the earlier visit. This ensures that healthcare providers can receive appropriate reimbursement for their services. Using this modifier properly helps avoid denials from payers due to the appearance of duplicate billing.

The other modifiers mentioned, such as -51, are for multiple procedures and do not apply specifically to E/M services provided on the same day, while -50 indicates bilateral procedures and -24 refers to an unrelated E/M service during a postoperative period. None of these capture the concept of multiple outpatient E/M encounters on the same date as effectively as the -27 modifier.