Box 54a, 54b, 54c - Prior Payments

Box Definition

Boxes 54a, 54b, and 54c on the UB-04 are where the prior payments received toward payment of the claim are shown in dollars and cents. This field is only available on secondary (2.x) and tertiary (3.x) claims. 

  • A - Primary
  • B - Secondary
  • C - Tertiary


In AveaOffice

To change the prior payment on the claim form:

  1. Navigate to the patient's treatment episode > Insurance Billing > Claims. mceclip2.png
  2. Click on the claim number.
  3. Navigate to Work Claim > Payments. mceclip1.png
  4. Click on the Check Number. 
  5. Click Edit.
  6. Edit the Paid column.
  7. Click Save.


EDI Loop/Segment

Loop 2320, Segment AMT02 where AMT01=D


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