Use the SNF Inpatient Medicare Calculator
Use this procedure for the Medicare Inpatient Calculator for Skilled Nursing Facilities (SNF).

- Access the Medicare Inpatient Calculator (SNF) 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 RUG and click Next. The Inpatient Medicare Calculator (SNF) page opens.
- Select Go To > Government Payor Research > Medicare > Inpatient Calculator. The Medicare Inpatient Calculator Selection page opens.
- Type the discharge date in the Discharge Date field.
- This field 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).
- You can also click the calendar icon next to the field to select a date from a calendar.
- To enter a Resource Utilization Group (RUG) code, type the code in the RUG 1 field.
- You can add up to five RUG codes for your calculation in the RUG 1 through RUG 5 fields.
- You must enter at least one RUG.
- To enter the days for a RUG code, type the number of days in the RUG 1 Days field.
- You can add days for up to five RUG codes in the RUG 1 Days to RUG 5 Days fields.
- You must enter at least one RUG days value.
- Type a discharge status for the claim in the Discharge Status field.
- Select whether ICD-9 diagnosis code 042 (HIV Positive) is on the claim from the ICD-9 Diagnosis Code on Claim list.
Note: This field defaults to N for No.
- Click Calculate. The Medicare Inpatient Calculator (SNF) results page opens. For more information, refer to View the SNF Medicare Inpatient Calculator Results.

The following table describes each of the fields on the Medicare Inpatient Calculator (SNF) page.
Field |
Description |
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 |
Discharge status code |
ICD-9 Diagnosis Code 042 on Claim? |
Indicates whether ICD-9 diagnosis code 042 (HIV Positive) is on the claim. This diagnosis code can change RUG reimbursement rates. Possible values are Y (Yes) and N (No). The field defaults to N. |
NPI |
Facility’s ten-digit National Provider Identification (NPI) number required on all claims |
RUG 1 |
The first Resource Utilization Group (RUG) code on the claim; uses first 3 alphanumeric digits |
RUG 1 Days |
The number of days associated with the first RUG code on the claim |
RUG 2 |
The second Resource Utilization Group code on the claim; uses first 3 alphanumeric digits |
RUG 2 Days |
The number of days associated with the second RUG code on the claim |
RUG 3 |
The third Resource Utilization Group code on the claim; uses first 3 alphanumeric digits |
RUG 3 Days |
The number of days associated with the third RUG code on the claim |
RUG 4 |
The fourth Resource Utilization Group code on the claim; uses first 3 alphanumeric digits |
RUG 4 Days |
The number of days associated with the fourth RUG code on the claim |
RUG 5 |
The fifth Resource Utilization Group code on the claim; uses first 3 alphanumeric digits |
RUG 5 Days |
The number of days associated with the fifth RUG code on the claim |