Claim Adjustment Reason Codes explain why a claim or service line was adjudicated differently than it was billed. The only time a claim will not have an adjustment reason code is when the payment amount is equal to the billed amount.
Remittance Advice Remark Codes are used within the 835 Health Care Remittance Advice and Payment Transaction in conjunction with the Claim Adjustment Reason Codes to convey information, and to provide clarification or a supplemental explanation for an adjustment already described by a Claim Adjustment Reason Code.
To facilitate the reconciliation of denied claims, the following crosswalk matches the MassHealth explanation of benefits (EOB) codes to a corresponding Healthcare Claim Adjustment Reason Code, and when appropriate, a Remittance Advice Remark Code that appears on 835 transactions. Note: You should only reference this crosswalk when reconciling denied claims.
The Centers for Medicare and Medicaid Services (CMS) will periodically review and update the adjustment reason codes and remark codes. Please check this site periodically for the most current version of the crosswalk.
If you have any questions about this information or would like to begin receiving the 835 transaction contact MassHealth Customer Service by e-mail at: firstname.lastname@example.org or call 1-800-841-2900.
This information is provided by MassHealth.
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