Patient Cannot Be Identified

CARC/RARC Description
  • CO-31
  • PR-31
The patient cannot be identified as our insured.
  • CO-140
Patient/insured health identification number and name do not match.


Common Reasons for Message

  • Incorrect or missing patient's name or Medicare number
  • Patient does not have Medicare Part B entitlement

Next Step

  • Verify patient has Medicare Part B entitlement
  • If patient has Medicare Part B benefits, resubmit claim. Claim must contain the following information exactly as indicated on their Medicare card.
    • Medicare ID
    • First and last name (in proper order)
      • If patient has two last names or hyphenated last name, submit name with a space or hyphen

Claim Submission Tips

  • Obtain patient's full name and Medicare ID directly from their most current Medicare card
    • Keep a copy on file
  • Prior to submitting claim(s), verify patient's eligibility via the Interactive Voice Response (IVR) or the Noridian Medicare Portal
    • Be sure patient's date of service falls within their Part B entitlement dates
  • 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 Tue, 20 Oct 2020 14:57:15 +0000