Contractual Obligation Very Common

CO-253: Sequestration Reduction

Sequestration - reduction in federal payment. This adjustment reflects the mandatory across-the-board reduction in Medicare Fee-for-Service payments required by federal sequestration law.

Why Claims Get Denied with CO-253

Denial code CO-253 is triggered when sequestration - reduction in federal payment. this adjustment reflects the mandatory across-the-board reduction in medicare fee-for-service payments required by federal sequestration law. Understanding the root causes helps prevent future denials and strengthens your appeal when one occurs.

Standard Medicare sequestration reduction (typically 2%) applied to payment

Federal budget sequestration affecting Medicare FFS claims

Automatic payment reduction mandated by the Budget Control Act

Sequestration percentage applied after all other adjustments

How to Appeal CO-253

Sequestration reductions are generally not appealable as they are mandated by federal law. Verify that the reduction percentage is correct (typically 2% for Medicare FFS). If the percentage applied is incorrect or the reduction was applied to a claim type not subject to sequestration, contact the MAC for correction.

Documentation Required for Appeal

A successful appeal of CO-253 requires thorough documentation. Gather these items before drafting your appeal letter:

EOB showing the sequestration reduction amount

CMS sequestration policy documentation (if disputing the rate)

Claim type verification (if arguing exemption)

MAC correspondence regarding the reduction

How to Prevent CO-253 Denials

Account for sequestration reductions in your revenue projections for Medicare claims. Understand that sequestration is applied after all other payment adjustments. Monitor CMS announcements for any sequestration suspension or rate changes.

Stop Fighting CO-253 Denials Manually

RediClaim generates payer-specific appeal letters for CO-253 denials in under 60 seconds, complete with the clinical arguments and documentation references that win reversals.

Stop losing revenue to preventable denials

RediClaim generates appeal letters, scrubs claims before submission, and optimises your coding — in seconds, not hours.