Use the Psych Inpatient Medicare Calculator
Use this procedure for the Medicare Inpatient Calculator (Psych).

- Access the Medicare Inpatient Calculator (Psych) 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 Psych from the Type of PPS list and click Next. The Inpatient Medicare Calculator (Psych) 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.
Note: All patient identification information is required.
- Click Calculate. The Medicare Inpatient Calculator (Psych) results page opens. For more information, refer to View the Psych Medicare Inpatient Calculator Results.

The following table describes each of the fields on the Medicare Inpatient Calculator (Psych) page.
Field |
Description |
Admitting Diagnosis Code |
ICD Diagnosis Code |
Date of Birth |
Patient birth date |
Diagnosis Codes |
ICD Diagnosis Codes; limited to 25 codes |
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). |
DRG |
Diagnosis Related Group code |
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) |
Number of ECT Treatments |
Number of ECT treatments |
Provider Number/NPI |
Provider’s tax ID number or ten-digit National Provider Identification (NPI) number required on all claims |