Base-year cost reporting period

Base-year cost reporting period -
(1) Last 12 month cost reporting period ending on or before December 31, 1990. For each hospital, the intermediary uses the hospital's latest 12-month or longer cost reporting period ending on or before December 31, 1990 as the base period to determine a hospital's hospital-specific rate.
(2) New hospitals. The base-year cost reporting period for a new hospital is its 12-month cost reporting period (or a combination of cost reporting periods covering at least 12 months) that begins at least 1 year after the hospital accepts its first patient.
(3) Other hospitals. For other than a new hospital as defined in § 412.300(b), if a hospital does not have a 12-month cost reporting period or does not have adequate Medicare utilization to file a cost report in a period ending on or before December 31, 1990, the hospital-specific rate is based on the hospital's old capital costs (per discharge) in its first 12-month cost reporting period (or combination of cost reporting periods covering at least 12 months) ending after December 31, 1990.
(b) Base-year costs per discharge -
(1) Base period allowable inpatient capital costs per discharge -
(i) Determination. The intermediary determines the base period allowable inpatient capital costs per discharge for the hospital by dividing the hospital's total allowable Medicare inpatient hospital capital-related cost in the base period by the number of Medicare discharges in the base period.
(ii) Disposal of assets in the base year. When a depreciable asset has been disposed of in the base year, only that portion of the gain or loss that is allocated to the base-year cost reporting period is reflected in the hospital-specific rate.
(iii) Disposal of assets subsequent to the base year. If an asset for which the Medicare program had recognized depreciation during the base year is disposed of subsequent to the base year, the hospital-specific rate will not be revised to recognize the portion of the gain or loss allocated to the base year.
(2) Discharges. For the purpose of determining a hospital's base period capital costs per discharge, a discharge includes discharges as defined in § 412.4(a) and transfers as defined in § 412.4(b)(2), adjusted by the transfer adjustment factor that is determined under paragraph (b)(3) of this section.
(3) Transfer adjustment factor.
(i) For base year cost reporting periods ending on or before December 31, 1990, CMS uses the base year MEDPAR data received as of June 30, 1991 to develop an adjustment to discharges to account for transfers. CMS divides the length of stay for each transfer case by the geometric mean length of stay for the DRG (but in no case using a number greater than 1.0) and assigns each nontransfer case a value of 1.0. To determine the transfer adjustment factor, CMS adds together the adjusted discharges and divides the result by total discharges including transfers.
(ii) For base year cost reporting periods ending after December 31, 1990 but beginning before October 1, 1991, CMS determines a transfer adjustment factor as described in paragraph (b)(3)(i) of this section for a hospital using the applicable base year MEDPAR data on file as of the December 31 or June 30 occurring at least 6 months after the close of the approved base year.
(iii) For base year cost reporting periods beginning on or after October 1, 1991, the intermediary determines the transfer adjustment factor in place of CMS as described in paragraph (b)(3)(i) of this section based on the most recent billing data available as of the date of the final determination of the hospital-specific rate.

Source

42 CFR § 412.328


Scoping language

None
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