How to Appeal PR-45 Denial: Charges exceed fee schedule — patient balance
The provider's charges exceed the allowed amount; the balance may be the patient's responsibility depending on network status. This guide explains what it means, why it happens, and exactly how to build a winning appeal.
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What Does PR-45 Mean?
The provider's charges exceed the allowed amount; the balance may be the patient's responsibility depending on network status.
Commonly seen in:
Step-by-Step Appeal Guide for PR-45
- 1
Pull the original claim and identify every CPT/HCPCS code and modifier submitted
- 2
Compare your coding to the CPT guidelines and payer-specific billing manual
- 3
Gather the operative report, progress notes, or other documentation supporting your coding
- 4
Draft a cover letter explaining the clinical rationale for the code/modifier combination
- 5
Attach supporting documentation and resubmit within the payer's appeal deadline
Counter-Arguments to Use in Your Appeal
These are the strongest arguments medical billing professionals use to overturn PR-45 denials.
For OON services, verify state balance billing protections apply
For emergency care, No Surprises Act limits patient liability to in-network cost-sharing
If the provider is in-network, they cannot balance-bill the patient
Request documentation of the contracted rate and verify accuracy
Regulations and Guidelines to Cite
Citing specific regulations strengthens your appeal and demonstrates you know your rights.
Expert Tip for PR-45 Appeals
In-network providers accepting assignment cannot balance-bill. Out-of-network balance billing for emergencies is now severely restricted under the No Surprises Act.
Frequently Asked Questions
What is a PR-45 denial code?
The provider's charges exceed the allowed amount; the balance may be the patient's responsibility depending on network status.
Can I appeal a PR-45 denial?
Yes. All insurance denials are appealable. Follow the step-by-step guide above and submit your appeal before the payer's deadline, typically 180 days from the denial date.
What documentation do I need to appeal PR-45?
For a PR-45 denial, you typically need: the original denial letter/EOB, clinical documentation supporting the service, any prior authorization records, and a cover letter citing the relevant regulations listed above. The specific documents depend on why the denial was issued.
How long does a PR-45 appeal take?
Most payers are required to process standard appeals within 30–60 days. Expedited appeals (for urgent care) must be decided within 72 hours. Under ERISA, group health plans must provide an appeal decision within 60 days for pre-service and 60 days for post-service claims.
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