Rejection: 030:The member number cannot be found. Please verify using the ID card and resubmit electronically including the alpha prefix. For assistance, call the 800 number on the card or BCBSF (800) 727-2227. What happened: According to the information on the claim, the patient ID in box 1a is not correct.Resolution: As the rejection states, verify the patient's ID card and call the above number if they have further questions.