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This variable is contained in the following files:
SAS Name
OIP_PERDIEM_PMT
This variable is the sum of all the pass through per diem payment amounts (CLM_PASS_THRU_PER_DIEM_AMT from each claim) in the other inpatient (OIP) setting for the year. Medicare payments are designed to include certain "pass-through" expenses such as capital-related costs, direct medical education costs, kidney acquisition costs for hospitals that are renal transplant centers, and bad debts. This variable is the sum of all the daily payments for pass-through expenses. It is not included in the Medicare Payment amount (OIP_MDCR_PMT). To determine the total Medicare payments for other (non-acute) hospitalizations for the beneficiary, this field must be added to the total Medicare payment amount for other hospitalizations.
These “other” inpatient (OIP) claims are a subset of the claims in the IP data file consisting of data from IP settings such as long-term care hospitals, inpatient psychiatric facilities, inpatient rehabilitation facilities, and other types of IP facilities such as children’s hospitals or cancer centers.
This variable was new in 2010; it will always be null/missing in earlier files. OIP_MDCR_PMT must be added to this field to obtain the total Medicare payments.
There are 2 cost/use categories from the IP data files: Acute and the OIP.
Medicare payments are described in detail in a series of Medicare Payment Advisory Commission (MedPAC) documents called “Payment Basics” (see: http://www.medpac.gov/-documents-/payment-basics).
Also in the Medicare Learning Network (MLN) “Payment System Fact Sheet Series” (see the list of MLN publications at: http://www.cms.gov/Outreach-andEducation/Medicare-Learning-Network-MLN/MLNProducts/MLN- Publications.html)
Source: CCW (derived)