AppealHoundBy Vantar Group
Denial code · updated 22 October 2026

PR 204: Service Not Covered by Plan

Not covered under the patient’s current benefit plan.

Check for an ABN or a patient waiver, then bill the patient or write off.

Usually lost PR CO 204

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What PR 204 means

PR: Patient responsibility. This one goes on the patient statement.

So the balance is billable to the patient, provided your advance notice was in order. Check that before the statement goes out. Billing a patient for something you contractually agreed to absorb is the expensive mistake on this code.

The same code, a different prefix. 204 also arrives as CO 204. The reason for the denial is the same. The prefix decides who pays for it, so the next step is not the same. If your remit says CO 204, read that page instead.

Is It Worth Appealing?

Usually lost. Recoverable only with unusual evidence. Triage by dollar value.

Why It Fires

In the order we see it.

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  1. The service is excluded from the patient's current benefit plan.

How to Appeal PR 204, Step by Step

Check for an ABN or a patient waiver, then bill the patient or write off.

  1. 1Step 1: Read the remark code. Find the remark code printed next to PR 204 on the 835 or EOB. It says what the payer wants back. The usual ones are N30.
  2. 2Step 2: Find the cause. Match the denial to one of the cause in Why It Fires above, and fix that one.
  3. 3Step 3: Take the first action. Check for an ABN or a patient waiver, then bill the patient or write off.
  4. 4Step 4: Attach the documentation. An ABN signed before the service was delivered.
  5. 5Step 5: Send the appeal before the deadline. Send it to the payer with the claim, the denial and the documentation, inside the payer's appeal window. See what an appeal letter must contain and the filing limits by payer.

The common mistake. Do not bill the patient on a Medicare claim without a valid ABN signed in advance.

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

PR 204 description

Not covered under the patient’s current benefit plan.

Not covered under the patient’s current benefit plan. So the balance is billable to the patient, provided your advance notice was in order. Check that before the statement goes out. Billing a patient for something you contractually agreed to absorb is the expensive mistake on this code.

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.

The Remark Code Beside It

The adjustment code says the claim was reduced. The remark code printed next to it says why, and it is the one that tells you what to send back.

RemarkWhat it means
N30The patient was not eligible for this particular service on that date. That is narrower than not being covered at all, and the difference matters.

Related Codes

Your Questions Answered

What does PR 204 mean?

Not covered under the patient’s current benefit plan. Patient responsibility. This one goes on the patient statement.

Can you appeal PR 204?

Usually lost. Check for an ABN or a patient waiver, then bill the patient or write off.

Why does PR 204 happen?

The service is excluded from the patient's current benefit plan.

What documentation wins a PR 204 appeal?

An ABN signed before the service was delivered.

How do I appeal a PR 204 denial?

Step 1: Read the remark code. Find the remark code printed next to PR 204 on the 835 or EOB. It says what the payer wants back. Step 2: Find the cause. Match the denial to one cause: The service is excluded from the patient's current benefit plan. Step 3: Take the first action. Check for an ABN or a patient waiver, then bill the patient or write off. Step 4: Attach the documentation. An ABN signed before the service was delivered. Step 5: Send the appeal before the deadline. Send it to the payer with the claim, the denial and the documentation, inside the payer's appeal window.

Most searched: CO 97 · CO 96 · OA 23 · CO 109 · CO 197 · CO 45 · CO 50

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