Can I bill the patient for a PR-204?

Often yes, but not automatically. PR means patient responsibility. Before the statement goes out, check three things. That the line really is PR and not CO. That your contract with that payer allows charging for a non-covered service, because many contracts only allow it when the patient agreed in writing before the visit. And that the patient is not covered by a program that bars member billing, such as Medicaid.

Should I appeal a 204?

Usually not, and this is the point of the code. A 204 says the service is not in the benefits the patient bought. Sending chart notes against that is like arguing about the weather. Appeal only when you think the payer read the wrong plan, applied the wrong benefit year, or missed a rider the employer added.

What is the difference between 204 and 96?

Both mean not covered. Code 96 is the general one and the code list requires a remark code with it to say why. Code 204 carries no such requirement, because the code already names the reason: the service is not part of this patient's current benefit plan. In practice payers use them loosely and you will see both for the same situation.

The patient says this was covered last year. What changed?

The word current in this code is doing real work. Benefits change at renewal, employers drop riders, and patients switch plans without switching insurance companies. The card in your chart can carry the right company name and the wrong benefit set. Check eligibility and benefits for the date of service, not for today.

RemitBench/Denial codes/PR-204

PR-204 denial code

Code 204 says the service is not part of the benefits this patient bought. Nothing in the chart changes that, so the work here is a money conversation, not an appeal.

What it means: The plan does not include this service. Not "we looked and said no". It was never in there. The word to notice is current: this is about the benefit set in force on the date of service.
Who owes the money: Patient balance PR puts it on the patient, and PR is the common pairing for this code. That is not automatic permission. Your contract may still require that the patient agreed in writing before the visit. And if the line comes back CO-204 instead, it is your write-off and nothing moves.
Is appealing worth it: Rarely. Appeal only if you think the payer used the wrong plan, the wrong benefit year, or missed a rider. There is no argument to be made about a service the plan simply does not buy.

Do not send records. This is the most common wasted month in billing. A 204 is not a judgment about the patient, so chart notes have nothing to answer. Send documentation against a 204 and you will get the same code back four weeks later.

Do not treat PR as a green light on its own. Check your contract, check for a signed advance agreement, and check whether the patient is in a program that bars member billing. Medicaid programs generally bar it, and so does the protection for patients flagged as Qualified Medicare Beneficiaries.

Why the payer sent it

Almost every 204 traces back to something that changed, or to something the office assumed.

The employer bought a plan that never included this benefit.
Benefits changed at renewal and the card in your chart is from the old plan year.
The patient moved to a different plan from the same insurance company. Same card design, different benefits.
A rider the employer used to buy, such as an adult dental or vision rider, was dropped.
The service belongs to a different plan the patient holds, often a dental plan when you billed medical, or the reverse.
The plan covers the service only for a narrower group, such as children.
You verified benefits by asking "is the patient active" rather than "is this procedure covered".

That last one is the real cause. An eligibility check tells you the patient has coverage. It does not tell you the plan includes what you are about to do. Those are two different questions and only one of them prevents a 204.

Remark codes you will see with it

Unlike code 96, this code does not require a remark. When one does come, it is usually the same one.

Remark code	What it adds
N130	Go read the plan's own benefit documents for the limits on this service. The standard partner. It has its own page.
N425	Excluded by law. On Medicare this usually arrives with code 96 rather than 204.
N429	Not covered because the plan treats the service as routine.
N428	Not covered when done in that place of service.
N193	A federal, state, or local program may cover this through a different payer. Worth chasing.

Remark code

What it adds

N130

Go read the plan's own benefit documents for the limits on this service. The standard partner. It has its own page.

N425

Excluded by law. On Medicare this usually arrives with code 96 rather than 204.

N429

Not covered because the plan treats the service as routine.

N428

Not covered when done in that place of service.

N193

A federal, state, or local program may cover this through a different payer. Worth chasing.

Read the letters in front of the 204

Most people meet this code as PR-204 and assume the PR is part of the code. It is not. The number and the letters are separate fields, and the letters are the only thing that decides the money.

PR-204: Patient responsibility. The most common form, and the reason this code is usually searched with PR attached. The patient can owe it, subject to your contract and your state's rules.
CO-204: Contractual obligation. Your write-off. This turns up where your contract says you may not charge for a non-covered service without an advance agreement. Never move a CO amount to a statement.
PI-204: Payer initiated. Also not the patient's. Medicare cannot use PI. Dental plans do, usually where the provider is in network.
OA-204: Not an approved pairing. Every entry in the industry combination table for this code allows CO, PI and PR, and none allows OA. An OA-204 is worth a phone call.

Code 204 carries no rule of its own about which letters may be used. Some codes do: code 45 says in its own text to use it only with PR or CO depending on who is liable, and code 18 names OA. This one says nothing, so the payer chose, and the same denial can land either way.

What to do next

Confirm the letters, then the plan

Read the group code first. If it is CO or PI, the money question is already answered and your only remaining question is whether the denial itself is right.
If it is PR: keep going. There are three checks before a statement goes out and they are all below.
Check benefits for the date of service, not for today

Pull the benefit detail for the plan that was in force on the visit date. You are asking a narrow question: was this procedure a covered benefit on that day, for this patient.
If it was covered: you have a real appeal, and a strong one. The payer used the wrong plan or the wrong year. Send the benefit response with the appeal. If it was not covered: the denial is right. Go to step 3, and stop thinking about appeals.
Look for a different payer before you look at the patient

A service one plan excludes is often covered by another one the patient holds. This is the step that turns a patient balance back into a payment.
Dental and medical: oral surgery, sleep appliances, and treatment after an accident are commonly covered by the medical plan and excluded from the dental one. The reverse happens too. Secondary coverage: ask the patient. A spouse's plan or a supplemental policy may include exactly the benefit the primary plan dropped.
Check whether you may actually charge the patient

Read your contract with that payer. Many participating agreements let you bill for a non-covered service only if the patient agreed to it in writing before the service, on a form that names the service and the price.
If no such form was signed: some contracts turn the amount into your write-off. That is not the payer being unfair. It is the clause you signed, and it is why the form exists.
Have the conversation in plain words

"Your plan does not include this service" is understandable. A statement with a code on it is not, and it produces a phone call instead of a payment.
Tell them it is not a mistake: patients hear "denied" and assume something went wrong with the claim. Say the plan never covered it, and say what a plan that does cover it would look like at their next open enrollment.

204 against 96 and 50

Three codes, one feeling. The difference decides whether you spend an hour or a month, so it is worth ten seconds.

Code	What the payer is saying, and what moves it
204	The service is not in the plan's benefits. Nothing you send moves it. Look for another payer, or bill the patient if you may.
96	Not covered, and the required remark code says why. It could turn out to be either of the other two. Read the remark. See the 96 page.
50	Covered service, but the payer decided this patient did not need it. Records move it. See the 50 page.

One honest caveat. Payers do not divide these three cleanly. The same situation can arrive as 96 from one payer and 204 from another, and 204 was only added to the code list in 2007, long after 96. Treat the code as a strong hint about which kind of denial you have, then confirm it against the plan document before you spend real time.

Other codes worth telling apart

Code	How it differs from 204
27	The plan had ended. The service might be fully covered by whatever replaced it. See the PR-27 page.
119	The benefit exists and the money for the period is used up. Very different conversation with the patient. See the CO-119 page.
109	Wrong payer. The benefit may exist, just not here.
167	The diagnosis is not covered, rather than the service.
49	A routine or preventive service the plan excludes. A narrower version of the same idea.
96	Requires a remark code. If your 204 has no remark, that is normal. If your 96 has no remark, something is wrong.

When not to appeal

The benefit document says the service is excluded. A plan is allowed to not sell a benefit.
You are about to attach chart notes. Those answer a question nobody asked here.
The patient's plan changed and you have confirmed it. That is a rebill or a patient balance, not an appeal.
The service belongs to the patient's other plan. Send it there instead. An appeal to a plan that does not cover it is a wasted month either way.

Appeal when the payer priced the claim against a plan the patient does not have, when a rider exists that the payer did not apply, or when the benefit was in force on the date of service and the payer used today's benefits instead. Those are real errors and they get fixed.

Does 204 show up in dental?

Less than you would expect, and that is the useful finding. Dental plans lean on code 96 for almost everything that is not covered.

One large dental carrier publishes a mapping from its own processing policies to the standard codes. Out of more than 900 policy rows, code 96 carries over 400 of them and code 204 carries two. So if you post dental remittances and you are looking for the not covered code, you are almost always looking for 96.

The two that do exist are instructive, because they show both sides of the money question on the same code. One is a plain "this service is not allowable" with the patient responsible. The other is a bundling message, saying the fee is already part of a completed service, and it comes back keeping the money off the patient because a contracting dentist may only charge the amount shown as the patient's share.

The carve-out case, where 204 is exactly right

Medicaid plans use this code the way it was designed. One state's Medicaid health plan publishes a code list with rows saying dental services are not a benefit of that program at all, and rows telling you to send the claim to the dental vendor instead. Both are reported as 204.

That is the healthiest use of this code: not "we said no", but "you sent it to the wrong place". When you see a 204 on a dental claim, ask who else the patient's benefits are administered by before you do anything else.

Where a dental office really meets this code

Usually on the medical side. When you bill a dental procedure to a medical carrier, the medical plan often has no benefit for it at all, and that comes back as a 204. Common examples:

An extraction billed to medical when the medical plan has no dental benefit.
A sleep appliance billed to a plan that excludes oral appliances.
Implants, which many medical plans exclude by name.
Anything the plan calls cosmetic.

The lesson is the same one every time: verify the procedure, not the patient. Ask the medical plan whether that specific code is a covered benefit before the appointment, and get the answer with a reference number.

Related codes

Back to all denial codes

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