M47 – Missing, Incomplete, or Invalid Internal Control Number

The M47 RARC code indicates that the claim is missing, incomplete, or contains an invalid internal control number required by the payer. This Remittance Advice Remark Code (RARC) provides additional information about a claim adjustment and is typically reported with a Claim Adjustment Reason Code (CARC).

Providers should review the associated CARC and verify the information submitted on the claim before taking corrective action.

Quick Facts

RARC Code
M47

Code Type
Remittance Advice Remark Code (RARC)

Category
Claim Information

Meaning
The claim contains a missing, incomplete, or invalid internal control number

Common Payers
Medicare, Medicaid, and Commercial Insurance

Next Step
Review the claim details, verify the required control number, and submit a corrected claim if necessary

What Does the M47 RARC Code Mean?

The M47 RARC code indicates that the payer requires a valid internal control number to process or reference the claim. If the number is missing or invalid, the payer may be unable to complete claim processing.

This remark code supplements the associated CARC by providing additional information about the claim submission.

Common Causes

Providers may receive the M47 RARC code when:

• An internal control number is missing.

• An incorrect claim reference number is submitted.

• The control number contains invalid characters.

• A corrected claim references the wrong original claim.

• Required payer-specific information is incomplete.

How To Resolve the M47 RARC Code

If you receive the M47 remark code:

• Review the associated CARC.

• Verify the internal control number.

• Compare the information with the original claim.

• Correct any missing or invalid claim reference information.

• Submit a corrected claim if appropriate.

Always verify payer-specific claim correction requirements before resubmitting.

Common Billing Mistakes

Common issues associated with the M47 RARC code include:

• Entering an incorrect claim reference number.

• Omitting required control numbers.

• Using outdated claim information.

• Referencing the wrong original claim.

• Failing to verify payer correction requirements.

Frequently Asked Questions

When is an internal control number used?

Internal control numbers are commonly used when correcting claims, responding to payer requests, or referencing previously processed claims.

Can an incorrect control number delay claim processing?

Yes. Missing or invalid reference numbers may prevent the payer from locating the original claim.

Should providers submit a corrected claim?

If the issue involves missing or incorrect claim reference information, submitting a corrected claim is often the appropriate solution.

Does M47 always require an appeal?

No. Most M47 remark codes can be resolved by correcting the required claim information rather than filing an appeal.

Related RARC Codes

You may also encounter:

• MA130 RARC Code

• N290 RARC Code

• M15 RARC Code

• N30 RARC Code

Quick Summary

The M47 RARC code indicates that a required internal control number is missing, incomplete, or invalid. Reviewing claim reference information and correcting any errors can help providers resolve the issue and reduce claim processing delays.