Can states that pay for inpatient hospital services using Diagnosis Related Grous (DRGs), but historically used a cost-based UPL, continue to use the cost-based Upper Payment Limit (UPL) method?

Yes, states may use UPL methodologies that are different from their payment methodologies. For example, a state may pay for inpatient hospital services using a Medicaid APR-DRG methodology, but use a cost methodology to compute the Medicare upper payment limit for its UPL demonstration.