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DMEPOS Calculator

Last update
August 2, 2023

To use the DMEPOS Calculator to calculate durable medical equipment prosthetics, orthotics and supplies (DMEPOS) reimbursements, follow these instructions.

Step 1. Select ‘DMEPOS’

On the OMFS Calculator page, Physician Services is automatically selected.

Step 2. Enter ‘DOS’

An accurate OMFS reimbursement amount requires the Date of Service, because OMFS reimbursement amounts are calculated using the fee schedule(s) in effect on the date services were rendered. The Calculator stores historical reimbursement data for Dates of Service from 2005 to the present.

Step 3. Enter ‘Procedure Code’

Enter HCPCS or CPT code that describes services rendered.

Step 4. Optional: Enter ‘Modifiers’

Enter all applicable Modifiers for the Procedure Code. Some Modifiers affect reimbursement calculation (referred to as ‘fee-affecting’ modifiers).

Step 5. Enter ‘Units’

Enter the number of Units to represent the quantity of the Procedure Code.

Step 6. Optional: Enter ‘Payment Total’

Enter the reimbursement amount allowed by the claims administrator as reported on an explanation of review (EOR). If not provided, this optional field defaults to $0. The Payment Total amount is used to calculate the Expected %.

Step 7. Optional: repeat Steps 3-7 for additional ‘Procedure Codes’

Enter all Procedure Codes billed or supplied together at one time to ensure accurate calculation.  

Step 8. Click ‘Calculate’

Click the Trashcan icon to delete a Procedure Code.

Step 9. View Calculations

For more information on calculations see the Help Article: California Calculator Results Explained.

That was easy!

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