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Invalid Patient Name - JF Part B

Invalid Patient Name

CARC/RARC Description
CO-16 Claim/service lacks information or has submission/billing error(s). Usage: Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service
MA36 Missing/incomplete/invalid patient name.
N704 Alert: You may not appeal this decision but can resubmit this claim/service with corrected information if warranted.


Common Reasons for Message

  • Patient name is missing or does not match the name on their Medicare Card.

Next Step

  • Verify that the following information is exactly as indicated on their Medicare card.

Claim Submission Tips

  • Obtain patient's full name and Medicare Beneficiary Identifier (MBI) number directly from their most current Medicare card
    • Keep a copy on file
  • If patient sees a problem or has an error on his/her Medicare card, they must contact Social Security Administration (SSA) at 800-772-1213 to make necessary correction(s)


Last Updated Wed, 02 Nov 2022 19:09:29 +0000