Bundled Charge Billed to You — What It Means and How to Beat It
PR-97 means the insurer says this service is already included in the payment for another procedure — but you're being billed directly for it as patient responsibility, which is unusual and frequently incorrect.
78
Appeal Viability Score High — strong grounds to challenge
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What PR-97 Actually Means
The plain English translation — and why this code is often applied incorrectly.
"This service is included in the payment/allowance for another service that has already been adjudicated. Patient responsibility applies for the billed amount."
PR-97 combines a bundling determination (the "97" reason — this service is already paid for as part of another procedure) with a "PR" group code, meaning the insurer is telling you that you owe the bundled amount directly, rather than the provider absorbing it.
This is unusual. Bundling denials almost always carry a CO (Contractual Obligation) group code, because in-network providers agree by contract not to bill patients for amounts reduced due to bundling edits. Seeing a "PR" on a bundling denial typically means one of two things: the provider is out-of-network and not bound by that contractual restriction, or the claim was processed and billed incorrectly.
Either way, PR-97 deserves scrutiny before you pay it — it is one of the least "automatically legitimate" denial codes in medical billing.
Three Reasons PR-97 Denials Get Reversed
A bundled charge billed to the patient is rarely straightforward — here's why.
1
This should have been a CO code, not a PR code
If your provider is in-network, their contract with the insurer typically requires them to write off bundled amounts as a contractual obligation — not bill you for them. If you're in-network and were billed under PR-97, this is very likely a billing system error that your provider's office can correct by resubmitting the claim with the correct adjustment code.
2
A missing modifier caused an incorrect bundling determination
Just like CO-97, a PR-97 denial can result from a missing modifier (59, XE, XS, XP, or XU) that should have indicated the two procedures were genuinely distinct. If the modifier was omitted, a corrected claim resubmission often resolves the entire issue — regardless of which group code was originally applied.
3
Balance-billing protections may prohibit this charge entirely
If the service was performed at an in-network facility by an out-of-network provider (common with anesthesiologists, radiologists, and assistant surgeons), federal No Surprises Act protections — and many state balance-billing laws — may prohibit billing you directly for this amount at all. This can make a PR-97 balance not just incorrect, but potentially illegal to collect.
What a Winning PR-97 Dispute Includes
Four elements that consistently reverse bundled charges billed to patients.
1
Confirm the provider's network status
Check whether the billing provider was in-network at the time of service. If they were in-network, request in writing why a bundling adjustment was billed to you as PR instead of written off as CO per their network contract.
2
Request the specific bundling edit that was applied
Ask the insurer to identify the exact CCI edit or bundling rule that triggered the PR-97 designation, and whether a modifier was submitted with the claim. This tells you and your provider's billing team exactly what needs to be corrected.
3
Check for No Surprises Act protection
If the service involved an out-of-network provider at an in-network facility — anesthesia, radiology, pathology, assistant surgery — you may be protected from this bill entirely under federal balance-billing law. Note this explicitly in your dispute letter if it applies.
4
Dispute the balance in writing before paying
Send a written dispute to the billing office and/or insurer citing the incorrect group code, the missing modifier if applicable, or the balance-billing protection that applies. Do not pay a PR-97 balance until you've confirmed it is both correctly coded and legally collectible.
78
Appeal Viability Score for PR-97
PR-97 Is Frequently a Coding or Contract Error, Not a Legitimate Balance
Because bundling adjustments are almost always a provider's contractual write-off, a bundled charge billed to the patient succeeds at overturning or eliminating the balance at some of the highest rates of any patient-responsibility code. Cases involving No Surprises Act protections score highest of all.
88–100
Balance-billing protection — federal or state law prohibits this charge entirely
70–87
Incorrect group code — in-network provider should have written this off as CO
50–69
Modifier dispute — bundling edit may be valid pending coding review
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