Modifier Assist
Applying the correct modifier is critical for accurate billing and compliance. Case2Code’s Modifier Assist provides a ranked list of the most commonly used modifiers for each CPT & HCPCS code, ensuring you choose the right one based on payer data and usage trends.

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Stop wasting time searching for medical codes manually. Use Case2Code for free and find the codes you need in just a few clicks.
What’s Included?
Smart Modifier Recommendations for Accurate Billing
Each medical code has specific modifier usage patterns. Case2Code provides an accordion-style list of relevant modifiers, ranked by usage frequency, so you always know which modifier to apply.
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See the most frequently used modifiers for a specific CPT or HCPCS code, ordered by relevance.
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The top modifier is the most commonly applied, followed by others based on payer data.
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Instantly find the correct modifier without searching manuals or payer guidelines.
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Modifier rankings adjust as payer trends and usage change.
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Modifier lists reflect usage across CMS, Medicaid, and commercial insurers.
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Modifier Assist provides ranked recommendations for surgical, diagnostic, evaluation & management (E/M), and other procedural codes.
Trusted by Over 140,000 Medical Professionals & Organizations
Number of Active Monthly Users
- 140,000
Codes in our Databse
- 230,000
Faster Coding Workflows
- 36%
Reduce in Denials
- 42%
Features
Why Modifier Recommendations Matter for Medical Coders
Modifiers affect payment, claim acceptance, and compliance. Using the wrong modifier—or missing one—can lead to denials or reduced reimbursement.
- Most Commonly Used Modifiers Listed First
No need to search; simply use the top-ranked modifier if applicable.
- Quick & Simple
No extra explanations—just the modifier list for each code, ranked by usage.
- Applies to CPT & HCPCS Codes
Modifier Assist works for procedure-based codes across specialties.
- Prevents Denials
Avoid claim rejections by applying payer-preferred modifiers.
- Compliance with NCCI & Global Rules
Modifier rankings align with bundling edits and multiple procedure guidelines.
- Save Time
No need to manually check fee schedules or documentation—modifiers are already ranked for accuracy.
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- All Code Sets
- Search & Filters
- Lay Term Descriptions
- Crosswalk & Mappings
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- Modifier Assist
- Notes & Favorites
- History & Updates
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Common Questions About Modifier Assist
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Modifier Assist provides a ranked list of the most frequently used modifiers for each CPT & HCPCS code, with the most commonly applied modifier at the top.
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No. Modifier Assist only displays a ranked list of modifiers for each code—without additional descriptions or explanations.
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The top-ranked modifier is the most commonly used for that code. If it applies to your claim, use it. If not, refer to the rest of the ranked list.