CO 130 denial code

Claim adjustment reason code 130. Often reported as CO 130.

Fee for submitting the claim

Unofficial reference. This is our own plain-English explanation, not the official code text. Payer rules differ. Verify with the payer and the official X12 code list. AlphaPrefix is not affiliated with X12, CMS or any payer. Data last updated Nov 11, 2026.

What 130 means

The payer deducted a fee for submitting or processing the claim.

Some payers or arrangements charge a fee for claims, often for paper claims or certain submission methods. This code reports that fee as an adjustment.

Check your contract and any state rules on such fees. Switching to the payer's preferred submission method may avoid the charge.

Group codes seen with 130

On a remittance, 130 comes after a group code. These are the ones it is most often reported with:

• CO 130 (Contractual Obligation): The provider's side of the ledger. The reduction comes from the payer contract or a rule the provider has to follow, and the patient normally cannot be billed for it.

The payer chooses the group code for each adjustment, so the same reason code can appear with another group code on your remittance. Read the two together. More about group codes.

Common causes

• The claim was sent on paper to a payer that charges for paper claims.
• The contract includes a per-claim processing fee.
• The claim went through a channel that carries a fee.

What to do next

1. Confirm whether the fee is allowed under your contract.
2. Switch to the payer's preferred submission method if that avoids the fee.
3. Dispute the fee with the payer if it is not supported by your agreement.