Use the Rehab Inpatient Medicare Calculator
Use this procedure for the Rehab Inpatient Medicare Calculator.

- Access the Rehab Inpatient Calculator page.
- Select Go To > Government Payor Research > Medicare > Inpatient Calculator. The Medicare Inpatient Calculator Selection page opens.
Note: If your facility offers only one type of Medicare inpatient services, the system bypasses this selection page.
- Select Rehab from the Type of PPS list and click Next. The Inpatient Medicare Calculator (REHAB) page opens.
- Select Go To > Government Payor Research > Medicare > Inpatient Calculator. The Medicare Inpatient Calculator Selection page opens.
- Specify the calculation criteria and optional values. For more information about each calculation criteria, refer to the Field Descriptions table below.
- All patient identification information is required.
- If you do not enter a CMG, the calculator produces a per diem calculation.
- Click Calculate. The Inpatient Medicare Calculator (REHAB) results page opens. For more information, refer to View the Rehab Medicare Inpatient Calculator Results.

The following table describes each of the fields on the Medicare Inpatient Calculator (REHAB) page.
Field |
Description |
CMG |
Case Mix Group |
Discharge Date |
Date patient was discharged; defaults to the current system date. If you enter a specific discharge date, the results are displayed for the closest date available (from data within the system). |
Discharge Status |
Patient’s destination upon discharge (home, LTC, and so on) |
Billed Charges |
Total charges for the account |
Length of stay |
Length of stay, in days |
Non-Covered Charges |
The amount of non-covered charges (not disallowed charges) |
Provider Number/NPI |
Provider’s tax ID number or ten-digit National Provider Identification (NPI) number required on all claims |