CPT Codes, Modifiers, and Billing Guides

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Medical coding references simplified for healthcare offices, billers, and coders. Quickly search CPT codes, modifiers, and billing guides in one place

CPT Codes

Modifiers

Prior Authorization

Denial Codes

Search and explore hundreds of CPT codes

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Guidelines and tips for smoother aprovals

Identify denial reasons and how to fix them

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Popular CPT Codes

99213
99214
93000
20610
45378
97110

Established Patient Office Visit

Moderate Complexity Office Visit

Electrocardiogram Interpretation Report

Major Joint Injection Procedure

Therapeutic Exercise Session

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Colonoscopy Procedure