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M132 Remark Code: Missing Pacemaker Registration Form

M132 means the payer required a pacemaker registration form for this claim and it was missing. The service or device will not be paid until the payer receives the registration information.

Quick facts

Code
M132 (RARC M132)
Status
Active In use since January 1, 1997; last modified February 28, 2003.
Code set
Remittance Advice Remark Codes (RARC)
Group codes
  • CO (Contractual Obligation): The service or device is unpaid pending the form. The provider supplies it; the patient is not billed.
Official description
Missing pacemaker registration form.
X12 Remittance Advice Remark Codes, retrieved September 25, 2026
Last verified
against the official X12 list.

What M132 means

For pacemaker implantation and related services, some payers require registration information about the device. It can support device tracking, warranty, and coverage decisions. M132 tells you the payer needed that registration form and did not have it, so the claim could not be completed.

Because M132 identifies a missing document rather than a coverage issue, the claim is usually payable after the form is supplied.

Common causes

  • Implant claims submitted without the payer’s registration form.
  • The form completed in the device manufacturer’s system but not sent to the payer.
  • A facility and physician each assuming the other would submit it.
  • Missing claim identifiers, so the form was not linked to the claim.

How to fix it

  1. Confirm the payer’s current form and submission method.
  2. Gather device details from the implant record, such as manufacturer, model, serial number, and implant date.
  3. Submit the form with claim identifiers.
  4. Request reprocessing, or resubmit the claim with an attachment indicator if required.

How to prevent it

  • Add the registration form to the implant billing checklist for payers that require it.
  • Agree in advance whether the facility or the physician group will submit it.
  • Capture device identifiers in the procedure record so the form can be completed quickly.

See the CO-16 guide for more on documentation rejections.

Codes that may appear with M132

  • CO-16 (Claim/service lacks information or has submission/billing error(s).): The claim lacks information, identified by M132 as the pacemaker registration.
  • CO-252 (An attachment/other documentation is required to adjudicate this claim/service.): Documentation is required to adjudicate the claim.
  • N235 (Incomplete/invalid pacemaker registration form.): The pacemaker registration form was received but was incomplete or invalid.
  • M127 (Missing patient medical record for this service.): The general medical record for the service was missing.

M132 FAQ

What is a pacemaker registration form?

A form that records details of the pacemaker implanted, such as the device and implant information, which some payers require with related claims.

Who must submit it?

Usually the provider or facility billing the implant. Check the payer's instructions for which claims require it.

Is this still required everywhere?

Requirements vary by payer and have changed over time. Confirm the current requirement with the payer that sent M132.