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M130 Remark Code: Missing Intraocular Lens Invoice

M130 means the claim lacked an invoice or statement certifying the actual cost of the lens, less discounts, and/or the type of intraocular lens used. The payer needs it to price or verify the lens.

Quick facts

Code
M130 (RARC M130)
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 lens line was not paid pending documentation. The provider supplies it; the patient is not billed.
Official description
Missing invoice or statement certifying the actual cost of the lens, less discounts, and/or the type of intraocular lens used.
X12 Remittance Advice Remark Codes, retrieved September 25, 2026
Last verified
against the official X12 list.

What M130 means

After cataract surgery, an intraocular lens (IOL) is implanted. Depending on the setting and the lens, payers may price the lens separately, at cost, or verify that a special lens type was used. For that they need an invoice or signed statement showing the actual cost less any discounts, or identifying the lens type. M130 tells you that document was missing.

The key phrase is less discounts: payers expect the net amount actually paid, not a list price.

Common causes

  • A lens billed under a code priced at invoice without the invoice attached.
  • A premium or specialty lens where the payer needs to verify the type.
  • Invoices sent separately and not matched to the claim.
  • Invoices showing list price without discounts or rebates applied.

How to fix it

  1. Retrieve the lens invoice from purchasing, and identify the lens model and net cost.
  2. Prepare a certified statement if the invoice covers multiple lenses or patients, stating the cost for this lens.
  3. Submit the documentation through the payer’s attachment process, referencing the claim.
  4. Resubmit the claim with an attachment indicator if the payer requires it.

How to prevent it

  • Link lens purchase records to procedures in your surgical or inventory system.
  • Attach invoices automatically for lens codes that payers price at cost.
  • Train staff to report net cost after discounts, as required.

See the CO-16 guide for other documentation rejections.

Codes that may appear with M130

  • CO-16 (Claim/service lacks information or has submission/billing error(s).): The claim lacks information, identified by M130 as the lens invoice.
  • CO-252 (An attachment/other documentation is required to adjudicate this claim/service.): Documentation is required to adjudicate the lens charge.
  • N231 (Incomplete/invalid invoice or statement certifying the actual cost of the lens, less discounts, and/or the type of intraocular lens used.): An invoice or statement was sent but was incomplete or invalid.
  • N354 (Incomplete/invalid invoice.): A general incomplete or invalid invoice remark.

M130 FAQ

Why does the payer need the lens invoice?

Some lenses are paid based on cost rather than a fixed rate, and payers need proof of the actual cost net of discounts or the lens type to decide payment.

What should the invoice show?

The lens type or model, the price actually paid after discounts and rebates, the supplier, and the date, matched to the patient or procedure.

Can a certified statement replace an invoice?

The official text allows either an invoice or a statement certifying the cost. Follow the payer's instructions on format.