Patient Last Name required (FE65)

Rejection: Patient Last Name required (FE65)

‍What happened: Patient last name in box 2 (HCFA), box 8b, box 38 (UB04) is missing.

‍Resolution: Verify the information in box 2 (HCFA), box 8b, box 38 (UB04)?and update the claim as necessary.