Do not confuse unbundling and upcoding as the same. Even though both trigger a higher reimbursement, their mechanisms differ. That is, unbundling in medical billing is the practice of billing multiple procedural codes separately for components that are typically covered under a single comprehensive CPT/HCPCS code. Conversely, upcoding occurs when you submit a medical claim with a higher-level, more complex, or more expensive code than what was actually rendered or what the clinical documentation supports.
Did you know that coding accuracy is the foundation of regulatory compliance and ensuring rightful reimbursements? Yes, you heard it right. While other factors, such as timely filing limits and documentation completeness, are also mandatory, coding itself is the key to solving most of the issues.
However, if you choose the wrong code, it can trigger claim denials, unbundling, downcoding, and upcoding in medical billing.
This guide will discuss unbundling and upcoding, as most providers often use them interchangeably. We will cover everything from explanations to real-world examples and strategies to prevent them. So, continue reading!
- What is Unbundling in Medical Billing?
- Examples of Unbundling in Medical Billing
- Understanding NCCI PTP Code Pairs
- Compliance Risks Associated with Misuse of Unbundling Modifiers
- What Are Unbundling Codes?
- What is Upcoding in Medical Billing?
- Upcoding Examples in Healthcare
- Upcoding vs. Downcoding vs. Unbundling
- How to Prevent Unbundling & Upcoding in Your Practice?
- Final Thoughts
What is Unbundling in Medical Billing?
It is the practice of billing multiple procedural codes separately for components that are typically covered under a single comprehensive CPT/HCPCS code.
Here, let’s clarify that the availability of an all-inclusive code does not mean that you cannot bill components separately. That is, in special scenarios where a clinician performs distinct, clinically independent services on the same day, you are allowed to unbundle the codes using modifiers such as 59 and X{EPSU}.
However, if the components are rendered as a single continuous treatment, you must avoid reporting separate codes. The reason? It will artificially inflate the total reimbursement already included in the bundled procedural code.
But why does unbundling in medical billing occur? Listed below are some of the reasons:
- Manual data entry errors or administrative oversight during charge capture.
- Lack of understanding of the lab panel structures, global period rules, and surgical package definitions.
- Appending unbundling modifiers automatically to clear claim scrubber edits without clinical oversight.
- Intentionally separating component codes to bypass National Correct Coding Initiative (NCCI) edits.
Examples of Unbundling in Medical Billing
Let’s review some of the real-world unbundling scenarios:
Basic vs. Comprehensive Lab Panels
Assume that a physician orders a comprehensive metabolic panel covered under CPT code 80053. It includes the blood level calculation of 14 chemicals.
However, the billing team reports CPT 80048, which covers measuring 8 chemicals, along with six additional tests on the same date of service.
This is a classic example of unnecessary unbundling in medical billing.
Colonoscopy with Polypectomy vs. Diagnostic Colonoscopy
Picture a healthcare practitioner who performs a colonoscopy. This procedure turns into a polyp removal. CPT code 45385 covers this procedure accurately. Besides, it includes reimbursement for diagnostic colonoscopy covered under CPT code 45378.
However, the billing team reports both codes on the same date of service without documented evidence of why both services should be considered distinct.
Lesion Excision vs. Surgical Debridement
What happens when a physician conducts a benign skin lesion excision? It accounts for reporting CPT code 11401. Moreover, this code includes the routine debridement of the surrounding tissue.
This means if the billing team bills CPT code 11042 separately with CPT 11401, it will be considered unnecessary unbundling in medical billing.
IV Infusion vs. Medication Push
Are you aware that the initial IV setup and routine hydration covered under CPT code 96360 are bundled into CPT code 96374, which includes IV push administration if performed concurrently during an outpatient visit?
This means billing both codes separately is also an example of unbundling in medical billing.
These were just a few scenarios of unbundling that occur in physician practices. If you want to acquire a better understanding of unbundling in medical billing, you must learn about NCCI procedure-to-procedure (PTP) code pairs and the inappropriate use of unbundling modifiers. So continue reading!
Understanding NCCI PTP Code Pairs
Did you know that the Centers for Medicare and Medicaid Services (CMS) introduced NCCI PTP edits? They aim to prevent inappropriate reimbursement against specific CPT/HCPCS code pairs that should not be reported together under normal circumstances.
So, how do these code pairs work? For starters, there is a CGS Medicare lookup tool you use to check these code pairs and their specific modifier indicators.
Column 1 & Column 2 Logic
Column 1 identifies the primary procedure. Contrarily, Column 2 represents a bundled procedure. If you bill both codes together without a valid unbundling modifier, the payer will deny the Column 2 code automatically.
0 vs. 1 Modifier Indicator
If the modifier indicator is ‘0’, you cannot bill both codes together in any circumstance. Simply put, no modifier can override the NCCI edit.
Contrarily, if the modifier indicator is 1, you can bill both codes if the clinical documentation establishes that both services were distinct, medically necessary, and separately reimbursable. However, you must append an appropriate unbundling modifier.
Disclaimer: CMS updates the NCCI PTP edit list quarterly. Integrate it promptly in your billing software to prevent improper unbundling in medical billing,
Compliance Risks Associated with Misuse of Unbundling Modifiers
The following table explains some of the unbundling modifiers, along with their appropriate use and compliance risk:
| Unbundling Modifier | What Does It Entail? | Appropriate Application | Improper Unbundling Risk |
|---|---|---|---|
| XE | It indicates that the care service is distinct because it was rendered in a separate encounter on the same date of service. | A patient leaves the clinic and returns hours later for an emergency session. | Using modifier XE when documentation was only entered at a different time. |
| XP | It represents that a different healthcare practitioner performed the distinct service. | You can use it when two distinct clinicians of different specialties treat the patient on the same day. | Appending it when two clinical staff members assist the same physician. |
| XS | It identifies that the procedure was performed on a distinct structure or organ. | Excision on the left arm and debridement on the right leg. | Reporting it with procedures rendered on the same or adjacent anatomical sites. |
| XU | It highlights that procedures are distinct because they do not overlap with primary components. | Appropriate to use when the second procedure does not share clinical overlap with the main service. | Using modifier XU only because the CPT code descriptors of both procedures sound different. |
| 59 | It is a generic modifier that is applicable only if none of the X-modifiers define why a service is distinct. | You can append it when XE, XP, XS, or XU modifiers are unable to describe a distinct service. | Using it for all claims without supporting documentation with the sole aim of unbundling a service. |
Disclaimer: CMS strictly prohibits the use of modifier 59 or X{EPSU} routinely to override billing edits.
What Are Unbundling Codes?
Note that unbundling in medical billing does not refer to a specific set of CPT/HCPCS codes. That is, it simply refers to a procedural billing error in which you bill separate components of a bundled, discounted service when payer rules mandate that you report a comprehensive primary code.
What is Upcoding in Medical Billing?
It can be defined as a coding error that occurs when you submit a medical claim with a more expensive, higher-level, or more complex code than what was actually rendered or the clinical documentation supports.
Upcoding in medical billing can be intentional or unintentional. For context:
- Unintentional upcoding is the result of a coding or documentation error. It is the result of administrative oversight, human error, or system issues.
- Intentional upcoding in medical billing is a direct violation of the False Claims Act (FCA). It occurs when you knowingly use a more expensive code with the aim of receiving higher reimbursement.
Regardless of whether you upcoded the claim accidentally or intentionally, it will result in overpayment by the payer. You are liable to return the extra amount under state and federal regulations. However, your intent matters, as it determines the consequences.
The following table offers a clear picture of consequences in different scenarios of upcoding in medical billing:
| Intentional Upcoding | Unintentional Upcoding | |
|---|---|---|
| Payer Classification | Fraud and violation of the FCA. | Coding or documentation error. |
| Audit Outcome | FCA audit, 3x payment as treble damages, increased scrutiny, and additional penalties on future claims. | Mandatory billing staff training, overpayment demand, and claim adjustment. |
| Operational Impact | Corporate Integrity Agreements (CIAs), exclusion from federal programs, and potential criminal charges. | Targeted pre-payment edits or increased retrospective audit frequency. |
Upcoding Examples in Healthcare
Discussed below are some of the real-world scenarios of upcoding in medical billing:
E/M Upcoding
Reporting a higher level or higher complexity evaluation and management (E/M) code while documentation supports a lower level E/M code is one of the common types of upcoding in medical billing. Besides, federal agencies and private payers frequently audit E/M claims.
Here’s a scenario for better understanding:
Imagine that your billing staff billed an established patient office encounter using CPT code 99215, i.e., a level 5 E/M code. However, the clinical documentation supports a level 3 E/M code, i.e., CPT 99213.
Procedure Upcoding
What happens when a billing team reports a code that describes a more complex surgical intervention than what was actually rendered? This practice is called procedure upcoding in medical billing.
For example:
The billing team reports a complex laceration repair (CPT 13152) that requires extensive debridement or layered closure. However, the clinical operative notes describe a simple repair of superficial wounds (CPT 12018).
Time-Based Upcoding
Time-based upcoding in medical billing is the practice of billing a longer time-based code when the documented time is less.
Assume that you reported a 60-minute psychotherapy session (CPT 90837) when the chart indicates a 45-minute face-to-face encounter (CPT 90834).
Diagnosis & Risk-Related Upcoding
Upcoding in medical billing can also occur in risk-adjusted (HCC) payment models. It happens when you upcode a diagnosis. This directly makes the patient’s health risk profile more complex and generates a higher capitation rate.
Upcoding vs. Downcoding vs. Unbundling
The following table offers an at-a-glance view of the key differences between upcoding, downcoding, and unbundling in medical billing:
| Unbundling | Upcoding | Downcoding | |
|---|---|---|---|
| What Does It Mean? | It can be defined as reporting multiple separate CPT codes for component services instead of using a comprehensive bundled code. | It refers to billing a higher-level CPT/HCPCS code than is supported by clinical documentation. | It represents billing a lower-level CPT/HCPCS code than the provided service warrants. Sometimes, payers also downcode the claim, which providers can appeal. |
| Common Causes Behind It | Common reasons behind unbundling are:Misuse of billing modifiers, such as modifier 59.Lack of awareness of NCCI edits.Intentionally separating billing components to get a higher reimbursement. | Upcoding occurs when:The billing staff has poor knowledge of CPT/HCPCS codes.The practice wants to inflate its revenue.Choosing a higher level E/M code without supporting documentation. | Downcoding is often the result of:Fear of audit.Missing documentation. Automated payer claim scrubbing tools. |
| Compliance & Financial Risk | High risk. It may lead to penalties for NCCI edit violations, heavy FCA fines, and recoupment. | High risk. It is a direct violation of the FCA, resulting in heavy financial penalties and exclusion from federal programs. Medicare and Medicaid. | Moderate risk. Downcoding can result in permanent revenue loss and trigger audit flags for falling below specialty coding averages. |
| Revenue Impact | Unbundling artificially inflates your revenue as you charge separate fees instead of the discounted bundled rate. | It creates a temporary revenue boost that you must refund when audited. | It results in direct, unrecoverable revenue loss. |
Many people confuse unbundling and upcoding as the same. The reason? Both temporarily boost practice revenue. However, the mechanism differs.
That is, in upcoding, you use a higher-level or more complex code with a higher reimbursement rate instead of the standard code. On the other hand, unbundling in medical billing is the practice of reporting service components of a discounted bundled code separately to generate a higher total reimbursement.
How to Prevent Unbundling & Upcoding in Your Practice?
Implement the following best practices to steer clear of upcoding in medical billing:
- Limit using EHRs’ copy-forward templates without clinical oversight. The reason? Undoubtedly, EHR templates are a lifesaver, but they sometimes auto-populate historical chart notes for routine encounters. This can result in E/M upcoding errors. You can also disable auto-populating fields that require clinician review for your current encounter.
- You should use unbundling modifiers, such as 59 and X{EPSU}, when you perform two distinct procedures that would typically trigger an NCCI edit. However, ensure that your documentation supports the modifier usage. Otherwise, it will be considered improper unbundling by insurance carriers.
- When billing timed codes, you must precisely record start and stop times rather than relying on estimated durations.
- You should integrate the quarterly NCCI PTP edit updates into your billing software to prevent unbundling errors.
- Configure your claim scrubbing tool to flag any claim where an unbundling modifier is used to bypass an NCCI edit for manual review.
- Conduct quarterly internal audits by randomly reviewing 10 to 15 charts per provider and comparing reported codes with progress notes.
- Invest in annual staff training that covers coding guidelines, modifier usage, and NCCI edit logic.
- Implement a clear refund protocol that complies with the federal 60-day overpayment rule.
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Final Thoughts
To summarize, you can prevent unbundling and upcoding in medical billing by ensuring accurate coding, comprehensive documentation, and consistent claim review.
The best practices we discussed in this guide will help you streamline your coding and billing workflow. However, if you want to partner with a reliable medical billing company, like MediBillMD, feel free to schedule a call.
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