Missing/Incorrect Required NPI Information

CARC/RARC Description
CO-16 Claim/service lacks information or has submission/billing error(s) which is needed for adjudication.
N290 Missing/incomplete/invalid rendering provider primary identifier.
N257 Missing/incomplete/invalid billing provider/supplier primary identifier.

 

Common Reasons for Message

  • Missing or invalid rendering Provider National Provider Identifier (NPI) in Item 24J of CMS or loop 2310B
  • Missing or invalid billing Provider or Group NPI in Item 33A or loop 2010AA
  • Rendering Provider NPI in Item 24J or loop 2310B is not associated with group NPI in Item 33A or loop 2010AA

Next Step

  • Verify submitted NPIs are correct/valid
  • Submit a new claim with corrected/complete information
    • Claim is unprocessable; no appeal rights

Claim Submission Tips

  • Rendering NPI must be entered in Item 24J or loop 2310B, when applicable
    • Solo, unincorporated provider - leave Item 24J or loop 2310B blank
  • Group NPI must be entered in Item 33A or loop 2010AA
  • Rendering NPI must be associated with group NPI, if applicable
  • View CMS-1500 Tutorial for form instructions

 

Last Updated Dec 09 , 2023