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N754 Remark Code: Box 17 Provider Qualifier Invalid

N754 means the qualifier in box 17 of the CMS-1500 was missing, incomplete, or invalid. That qualifier tells the payer whether the name in box 17 is the referring, ordering, or supervising provider.

Quick facts

Code
N754 (RARC N754)
Status
Active In use since July 1, 2015.
Code set
Remittance Advice Remark Codes (RARC)
Group codes
  • CO (Contractual Obligation): The claim is denied as a billing error for the provider to correct. The patient is not responsible.
Official description
Missing/incomplete/invalid Referring Provider or Other Source Qualifier on the 1500 Claim Form.
X12 Remittance Advice Remark Codes, retrieved September 25, 2026
Last verified
against the official X12 list.

What N754 means

Box 17 on the CMS-1500 holds the name of a provider who referred the patient, ordered the service, or supervised it. Because one box serves three roles, the form includes a two-character qualifier in front of the name to say which role applies: DN for referring, DK for ordering, and DQ for supervising. The provider’s NPI goes in box 17b.

N754 means that qualifier was left blank or contained something the payer does not recognize. The payer cannot tell what role the named provider played, so it denies the claim, usually with CARC 16.

Common causes

  • Box 17 was filled with a name but no qualifier.
  • An outdated qualifier from an older version of the form was used.
  • The qualifier was typed in the wrong position, so the payer’s scanner did not read it.
  • Practice management software printed the name but not the qualifier field.

How to fix it

  1. Determine the role the box 17 provider actually played for the service.
  2. Enter the correct qualifier: DN, DK, or DQ.
  3. Confirm the provider’s name in box 17 and NPI in box 17b are correct.
  4. Submit a corrected claim with resubmission code 7 in box 22 and the original claim number, or a new claim if the payer treated the original as unprocessable.

How to prevent it

Set up your billing system so box 17 cannot print without a qualifier, and check printed claim alignment periodically. Electronic submission avoids most form-alignment errors. Related provider data issues are covered in provider enrollment denials.

Codes that may appear with N754

  • CO-16 (Claim/service lacks information or has submission/billing error(s).): The claim lacks information or has a billing error, identified by N754 as the box 17 qualifier.
  • CO-A1 (Claim/Service denied.): A general denial explained by the qualifier problem.
  • N285 (Missing/incomplete/invalid referring provider name.): The referring provider's name is missing or invalid.
  • N286 (Missing/incomplete/invalid referring provider primary identifier.): The referring provider's primary identifier, typically the NPI in box 17b, is missing or invalid.
  • N574 (Our records indicate the ordering/referring provider is of a type/specialty that cannot order or refer.): The ordering or referring provider is a type that cannot order or refer.
  • N575 (Mismatch between the submitted ordering/referring provider name and the ordering/referring provider name stored in our records.): The ordering or referring provider's name does not match the payer's records.

N754 FAQ

What qualifiers go in box 17?

On the current CMS-1500, DN identifies a referring provider, DK an ordering provider, and DQ a supervising provider. The qualifier sits to the left of the provider's name.

Does N754 apply to electronic claims?

The remark names the 1500 form, so it is mainly used for paper claims. Electronic claims identify the provider role through the claim structure instead.

Do I need a box 17 entry on every claim?

No. Only when the service involved a referring, ordering, or supervising provider that the payer requires. When you do fill it in, include the qualifier.