23 MAC Pt. 202, R. 2.3
Emergency Department Outpatient Visits
Cite as 23 Miss. Admin. Code Pt. 202, R. 2.3
Emergency Department Outpatient Visits
A. Emergency department services, also referred to as emergency room services, are allowed for
all beneficiaries without limitations. Emergency department services provided by hospitals,
except for Indian Health Services (IHS), are reimbursed using the outpatient prospective
payment methodology.
B. The date of service for evaluation and management procedure code line items for outpatient
hospital emergency department claims must be the date the beneficiary enters the emergency
department even if the beneficiary’s encounter spans multiple dates of service.
C. Services provided during an emergency department visit resulting in an inpatient hospital
admission must be included on the inpatient hospital claim.
1. The “Statement Covers Period From Date” on the inpatient hospital claim is the first date
the beneficiary enters the emergency department.
2. The Treatment Authorization Number (TAN) on the inpatient hospital claim is received
from the Utilization Management and Quality Improvement Organization (UM/QIO), the
Division of Medicaid, or a designated entity which corresponds with the date the
physician documents the inpatient hospital admission in the physician’s orders.
a) A TAN is not required for an emergency department visit.
b) A TAN issued by the UM/QIO, the Division of Medicaid, or a designated entity is
only required for an inpatient admission or continued stay.