- PR-96 denials occur when a service is not covered under the patient’s insurance plan due to benefit exclusions, missing prior authorizations, out-of-network care, or plan limitations.
- Billing teams must identify the root cause, determine whether to write off, bill the patient, or appeal, and prevent recurring denials through stronger eligibility and coverage checks.
- AI-driven denial management helps practices detect coverage issues earlier, reduce manual work, and protect revenue before claims are submitted.
When a claim comes back with PR-96, the first reaction in most billing offices is frustration. Not because the denial is complicated, but because it often feels avoidable in hindsight. PR-96 means the service billed is not covered under the patient’s plan. Simple on paper. Messy in practice.
Let’s walk through what this denial actually involves, where it tends to go wrong, and what you can realistically do about it.
What Is PR-96 Denial Code in Medical Billing?
PR stands for “Patient Responsibility.” The 96 code specifically flags non-covered charges, meaning the payer reviewed the claim and determined the service falls outside what the patient’s plan covers. The financial liability, at least in theory, shifts to the patient.
Worth noting: PR-96 is not the same as a clinical denial. The insurer isn’t saying the service was medically unnecessary. They’re saying the plan simply doesn’t include it.
That distinction matters a lot when deciding your next step.
Let’s walk through what this denial actually involves, where it tends to go wrong, and what you can realistically do about it.
PR-96 vs CO-96 vs CO-97: What Is the Difference?
Billing teams sometimes confuse PR-96 with nearby codes. Here’s a quick breakdown:
| Denial Code | Meaning | Patient Responsibility? |
|---|---|---|
| PR-96 | Non-covered charge under the plan | Yes |
| CO-96 | Non-covered charge under the plan | No — write-off |
| CO-97 | Service included in another procedure billed | No — coding issue |
| OA-109 | Claim not covered by this payer | No — redirect to correct payer |
| N130 | Remark: service not covered per plan benefits | Paired with PR-96 often |
CO-96 and PR-96 look almost identical at first glance, but the prefix changes everything. CO means the provider absorbs the loss. PR means you can potentially bill the patient, provided proper notice was given beforehand.
Which Remark Codes Are Associated With PR-96 Denials?
Most payers don’t send PR-96 alone. They attach remark codes that tell you more about why coverage was denied. Common ones include:
N130 — Indicates the service is not covered under the patient’s benefit plan.
MA04 — Secondary payer information was missing or incomplete.
M15 — Separately billed service is part of a global period.
N115 — Refers back to a specific coverage policy or LCD (Local Coverage Determination).
If your ERA shows PR-96 without a remark code, contact the payer directly. That missing detail often explains whether you’re looking at a plan exclusion, a prior auth gap, or a benefit limitation.
Why Is My Claim Getting Denied With PR-96?
There’s rarely one clean reason. Most PR-96 denials trace back to a combination of factors that compounded quietly before the claim was submitted.
Benefit exclusions. The plan simply doesn’t cover the service. Cosmetic procedures, certain preventive screenings, experimental treatments, and some behavioral health services land here frequently. This is textbook PR-96 territory.
Prior authorization wasn’t obtained. Some payers treat missing prior auth as a non-covered event rather than a separate auth denial. If your team submits a claim assuming auth was handled and it wasn’t, PR-96 can show up.
Out-of-network service. A patient used an out-of-network provider without knowing their plan doesn’t include out-of-network benefits. The service itself may be valid. The coverage isn’t there.
Frequency limitations. A patient already hit their annual limit for a service. The second or third occurrence gets flagged as non-covered. This happens with chiropractic, physical therapy, and certain labs.
Plan type mismatch. HMO plans are stricter about what’s covered than PPO plans. When front desk staff doesn’t verify the specific plan type during eligibility checks, assumptions creep in.
None of these are unusual. Most billing teams see at least two or three of these scenarios every week.
How Do Different Payers Handle PR-96 Non-Covered Charges?
This is where billing gets payer-specific, and the rules shift enough that a one-size approach causes problems.
Medicare: For Medicare patients, PR-96 often connects to services not covered under Part A or Part B, or services deemed not medically reasonable under a Local Coverage Determination. Here, the Advance Beneficiary Notice of Noncoverage (ABN) becomes critical. Without a valid ABN signed before the service, you cannot bill the Medicare patient.
Medicaid: Medicaid benefit structures vary by state. A service covered in one state’s Medicaid plan may not be covered in another. PR-96 from Medicaid often indicates the service fell outside the state-specific fee schedule or benefit limit. Billing the patient for Medicaid-covered populations is heavily restricted, so the write-off route is more common here.
Commercial payers: This is where PR-96 shows the widest variation. BCBS plans, United, Aetna, Cigna all have different definitions of “non-covered.” BCBS in particular has payer-specific policies around certain preventive services and behavioral health benefits. Always pull the payer’s specific benefit summary before assuming what’s covered.
When Is an ABN Required to Bill a Patient for PR-96?
For Medicare patients specifically, an ABN is a legal notice that tells the patient: “Medicare may not pay for this service, and you may be billed.” Issuing it correctly protects you. Skipping it doesn’t.
You should issue an ABN when:
You expect Medicare to deny the service as non-covered or not medically necessary.
The service falls outside an LCD or NCD (National Coverage Determination).
The patient has already reached a frequency limit for a service.
The patient is requesting a service that is categorically excluded from Medicare (like routine physicals before the Welcome to Medicare visit).
The ABN must be signed before the service is provided, not after. A signed ABN after the fact is not enforceable. This is one of those compliance details that catches practices off guard during audits.
PR-96 Denial: Should You Write Off, Bill the Patient, or Appeal?
Not every PR-96 warrants an appeal. The right next step depends on the situation.
Write it off when:
The denial came with a CO prefix originally and was miscoded as PR.
The patient is Medicaid-enrolled and protected from balance billing.
The payer contract prohibits billing the patient for non-covered services.
Bill the patient when:
The denial is genuinely PR-96 (patient responsibility confirmed).
A signed ABN or financial responsibility form was collected.
The service was a known plan exclusion communicated before the visit.
Appeal when:
You believe the service should be covered under the patient’s plan.
The denial was issued in error (wrong plan code, incorrect eligibility lookup).
A prior authorization was obtained but wasn’t linked to the claim correctly.
The service was covered but billed under an incorrect procedure code.
If you’re unsure which bucket applies, pull the Explanation of Benefits carefully. The remark codes and adjustment reason codes together usually point you in the right direction.
How to Appeal a PR-96 Denial Step by Step
Appeals on PR-96 are winnable, especially when the denial came from a payer error rather than a true plan exclusion. Here’s how billing teams typically approach it:
Step 1: Confirm the denial reason. Pull the full EOB or ERA. Note the remark codes. Confirm whether this is a true non-covered service or a system/eligibility error.
Step 2: Gather documentation. You’ll need the patient’s current benefit summary, any prior authorization reference numbers, clinical notes if medical necessity is relevant, and a copy of the signed ABN if applicable.
Step 3: Write the appeal letter. Keep it direct. State the claim number, date of service, procedure code, and the specific reason you believe the denial was incorrect. Reference the plan language or coverage policy that supports your position.
Step 4: Attach supporting materials. Clinical documentation, authorization confirmations, and payer policy pages all strengthen the appeal.
Step 5: Submit within the payer’s timely filing window. Most payers allow 30 to 180 days from the denial date for first-level appeals. Missing this window closes the door entirely.
Step 6: Track and follow up. Log the appeal submission date and expected response window. If you don’t hear back, follow up before the window closes.
One thing worth mentioning: if the first-level appeal is denied and you still believe the claim is valid, most payers allow second-level appeals or external reviews. Don’t stop at the first rejection.
Which Medical Specialties Get the Most PR-96 Denials?
Different specialties hit this denial in different ways, and the reasons aren’t always obvious.
Behavioral health: Plans frequently have separate benefit structures for mental health services. Session limits, provider type restrictions, and prior auth requirements cause PR-96 more than in most other specialties.
DME (Durable Medical Equipment): Non-covered equipment codes are common here. Many commercial plans exclude certain HCPCS codes outright, and billing teams sometimes don’t check the exclusion list before submitting.
Cardiology: Some diagnostic services ordered as part of a routine workup fall outside preventive coverage tiers and land in non-covered territory, particularly in high-deductible plans.
Dental and oral surgery: Medically necessary dental services billed to medical insurance face PR-96 frequently because coverage language is often ambiguous across medical and dental plan lines.
Anesthesiology: When the surgeon is in-network but the anesthesiologist isn’t, the anesthesiology claim sometimes comes back PR-96 due to out-of-network provisions.
How to Prevent PR-96 Denials Before Claim Submission
Prevention doesn’t require a complete workflow overhaul. A few specific habits at the front desk and pre-authorization stage catch most of these before they become denials.
Verify benefits at every visit, not just at registration. Plans change. A patient who was covered last month may have rolled into a new plan with different benefits. Real-time eligibility checks catch this.
Confirm specific coverage, not just active insurance. Active insurance doesn’t mean the service is covered. Ask for benefit details on the specific CPT codes you plan to bill, especially for high-risk services.
Collect signed financial responsibility agreements. For services you know may not be covered, get written acknowledgment from the patient before the appointment. This protects you if PR-96 shows up later.
Train staff on plan type differences. HMO, PPO, EPO, and HDHP plans all behave differently. A quick reference sheet for front-desk staff reduces incorrect assumptions.
Cross-check prior auth requirements by payer. Auth requirements shift. What didn’t require auth last quarter might require it now. Payer portals and provider manuals are the most reliable source.
How a Denial Management AI Agent Reduces PR-96 Denials
PR-96 denials are largely preventable, and that’s exactly where a denial management AI agent earns its place in a revenue cycle workflow.
Most of these denials start upstream at eligibility verification, prior auth tracking, or benefit confirmation. By the time a PR-96 shows up on an ERA, the service has already been rendered. A denial management AI agent works differently. It catches the problem before the claim goes out.
Our Denial Management AI Agent reads remits in real time, classifies denial types, and recommends next steps based on payer-specific rules. When a PR-96 comes in, your billing team doesn’t spend time decoding the reason or figuring out the next step. The agent surfaces the root cause and flags the right action immediately.
For PR-96 specifically, the agent detects claim issues early and alerts the billing team before write-offs affect revenue. If a prior authorization wasn’t linked correctly, or if eligibility data doesn’t match the payer’s records, the agent catches it before it becomes a denial.
Here’s what makes this practical for billing teams:
Root cause analysis on every denial — Identifies whether PR-96 came from a plan exclusion, frequency limit breach, missing auth, or eligibility mismatch. That distinction changes your next move entirely.
Auto-generated appeal letters — The agent analyzes the denial, pulls relevant claim data, and generates a ready-to-submit appeal letter, cutting down drafting time significantly.
Denial trend reporting — Surfaces which payers, CPT codes, or service types are generating the most PR-96 volume, giving your team data to fix systemic issues, not just individual claims.
EHR and clearinghouse integration — Works within your existing practice management system and insurance portals without disrupting your workflow.
The result is straightforward. Your staff focuses on complex cases that need human judgment. The agent handles detection, classification, and first-response drafting. For a denial type like PR-96, where the root cause is usually identifiable and the resolution path is clear, that division of effort tends to move recovery rates in the right direction.
Where PR-96 Denial Resolution Actually Starts
PR-96 denials persist because the gaps that cause them sit across multiple touchpoints eligibility verification, benefit confirmation, prior auth tracking, and claim submission. Catching all of them consistently is difficult when billing teams are managing high volumes without the right system in place.
The pattern is familiar. A service gets rendered, the claim goes out, and the denial lands days later with a reason your front desk could have flagged at scheduling. By then, the revenue is already at risk.
Droidal’s Denial Management AI Agent works within that exact workflow, identifying PR-96 triggers before submission, classifying denials in real time, and generating appeal-ready documentation without pulling your staff away from higher-complexity work.
Droidal works hands-on across behavioral health, cardiology, anesthesiology, and DME billing environments where practices lose the most revenue to this denial type.
If PR-96 volume is higher than it should be in your practice, the upstream workflow is worth a closer look.
To see how our Denial Management AI Agent works within your existing billing setup, Book a demo today.
