Correcting previously billed claims

• When submitting a correction to a previously submitted paper HCFA 1500 claim, resubmit it with 7 in box 22 along with the original claim number.
  
  To ensure that we process the claim accurately, please add a note in box 19 that indicates the reason for the resubmission. This will notify us that this is a corrected or replacement claim, and the claims examiners won’t deny it as a duplicate claim.
• When submitting a correction to a previously submitted electronic 1500 claim, resubmit it with the appropriate bill code in the 2300 loop in the CLM 05 03.
  
  To ensure that we process the claim accurately, please add a note that indicates the reason for the resubmission in loop 2300 NTE (segment) ADD (Qualifier).
• When submitting a correction to a previously submitted facility claim (UB04), resubmit it with the appropriate bill type, changing the frequency to reflect the change. Click here for more information, including types of billing codes.

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