CO 253: Sequestration Reduction
A flat federal sequestration reduction was applied.
Nothing to appeal. It is a statutory reduction applied to Medicare payments, not a decision about your claim.
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What CO 253 means
CO: Contractual obligation. The provider absorbs it and cannot bill the patient.
So the balance cannot move to the patient. Either the appeal recovers it or the practice absorbs it. That makes the appeal decision the whole decision on this line.
Is It Worth Appealing?
Not a denial. A contracted write-down or patient responsibility. Not money you lost.
Why It Fires
In the order we see it.
Federal sequestration, applied after the allowed amount is worked out.
What to Do With CO 253, Step by Step
Nothing to appeal. It is a statutory reduction applied to Medicare payments, not a decision about your claim.
- 1Step 1: Read the remark code. Find the remark code printed next to CO 253 on the 835 or EOB. It says what the payer wants back.
- 2Step 2: Find the cause. Match the denial to one of the cause in Why It Fires above, and fix that one.
- 3Step 3: Do this. Nothing to appeal. It is a statutory reduction applied to Medicare payments, not a decision about your claim.
The common mistake. Do not bill this to the patient. It is a payer-side reduction and is not patient responsibility.
Free: the Denial Code Appeal Playbook. 53 codes on one sheet: appeal, fix and resubmit, or let it go, and what to attach. Get the playbook
CO 253 description
A flat federal sequestration reduction was applied.
A flat federal sequestration reduction was applied. So the balance cannot move to the patient. Either the appeal recovers it or the practice absorbs it. That makes the appeal decision the whole decision on this line.
This is our plain-English wording, not the official X12 text. X12 asserts copyright over the published descriptions, so we write our own and say what it means for the money rather than restating the code.
Where this comes from. This is our own reading of the code, not the payer's and not a copy of the standards text. We classify it from how these denials actually resolve. Where we are unsure, we say so rather than guessing.
Your Questions Answered
What does CO 253 mean?
A flat federal sequestration reduction was applied. Contractual obligation. The provider absorbs it and cannot bill the patient.
Can you appeal CO 253?
Not a denial. Nothing to appeal. It is a statutory reduction applied to Medicare payments, not a decision about your claim.
Why does CO 253 happen?
Federal sequestration, applied after the allowed amount is worked out.
What do I do with CO 253?
Step 1: Read the remark code. Find the remark code printed next to CO 253 on the 835 or EOB. It says what the payer wants back. Step 2: Find the cause. Match the denial to one cause: Federal sequestration, applied after the allowed amount is worked out. Step 3: Do this. Nothing to appeal. It is a statutory reduction applied to Medicare payments, not a decision about your claim.
Most searched: CO 97 · CO 96 · OA 23 · PR 204 · CO 109 · CO 197 · CO 45 · CO 50
How Much of This Is Sitting in Your Write-Off Pile?
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Upload your denial summary for the last 90 days. 4 columns: payer, CARC code, count, billed amount. You get back which were winnable and what they were worth.