Skip to content
Patient responsibilityCARC

PR-2 denial code

Coinsurance amount

The percentage of the allowed amount the patient owes. Billable to the patient.

How to fix it

Bill the patient, or the secondary payer if one exists.

How to prevent it

Quote coinsurance at the point of service using verified benefits so the balance is not a surprise.

In practice

A claim adjudicates with PR-2 — coinsurance. The patient has met their deductible, so the plan now shares cost at the stated percentage, commonly eighty per cent payer and twenty per cent patient.

The practice receives the payer's share and bills the patient for the coinsurance portion of the allowed amount — not of the billed charge, which is a distinction patients frequently misunderstand.

Explaining that coinsurance applies to the contracted allowed amount rather than the practice's charge resolves most of the disputes this generates, and is easier said at check-in than in a collections call.

What sits behind it

Coinsurance differs from a copayment in a way that matters for collection. A copayment is a fixed amount known before the visit. Coinsurance is a percentage of an allowed amount that is not finally determined until adjudication, so the exact figure cannot be stated with certainty in advance.

It can be estimated closely, though, where contracted rates are loaded. An estimate given at check-in, framed as an estimate, is far better than silence — it sets expectation and enables collection of a deposit against the eventual balance.

Out-of-network coinsurance is the version that produces genuine distress, because the percentage is applied to a larger base and the patient may additionally be responsible for the difference between the allowed amount and the charge. Identifying network status before the service is what prevents that conversation.

Related codes

Terms used here — Patient Responsibility · Allowed Amount · Out-of-Network

How we handle it — Patient Collections · Eligibility Verification · Patient Support

Primary sources

The rules behind PR-2, at the bodies that publish them.

  • Medicare Claims Processing Manual (opens in a new tab)

    Centers for Medicare & Medicaid ServicesThe operative manual for how Medicare claims must be coded, submitted, adjusted and appealed. When a payer policy and a vendor's advice disagree, this settles it.

  • No Surprises Act guidance (opens in a new tab)

    Centers for Medicare & Medicaid ServicesBalance billing restrictions, good faith estimates and the independent dispute resolution process — all of which change what a practice may bill a patient.

Every denial code with a guide

Liability and workers comp

Looking for a different code? Search all 190 CARC and RARC codes

Questions about PR-2

A copayment is a fixed amount known before the visit. Coinsurance is a percentage of the allowed amount, which is not finally determined until adjudication — so the exact figure cannot be stated with certainty in advance, only estimated.

No, on the contracted allowed amount. This is one of the most common patient misunderstandings, and explaining it at check-in resolves most of the disputes it otherwise generates.

Closely, where contracted rates are loaded in the system. An estimate offered as an estimate sets expectation and supports collecting a deposit, which is far better than saying nothing and billing later.

Because the percentage applies to a larger base, and the patient may additionally owe the difference between the allowed amount and the full charge. Identifying network status before the service is what prevents that.

Find out what your denials are costing you

A free billing audit reviews your denial rate, AR aging and clean claim rate against industry benchmarks. Takes about two minutes to request. No sales pitch.

No setup fees · You pay when we collect · Pricing from 3% of net collections