Add-on codes - remember the basics to get paid the first time

Why This Topic Matters

Add-on codes are a frequent source of avoidable denials and payment delays. Understanding the article helps billing teams recognize when documentation, claim setup, or payer edits may affect payment for related services.

Article Sections

1. General add-on code basics

   Introduces the general concept of add-on reporting and highlights common billing risks when a related primary service is not submitted correctly.

2. Dermatology and lesion removal example

   Covers a dermatology-related billing scenario involving lesion removal services and a common modifier-related issue.

3. Use modifier -59 for chemo infusion

   Discusses an oncology infusion billing scenario and general distinctions between two commonly used modifiers in separate-service situations.

4. Quality assurance

   Summarizes workflow checks that can help reduce missing-charge and documentation problems before claims are submitted.

5. Cardiology add-on tips

   Describes payer variability and reimbursement handling for a cardiology service family that includes add-on reporting.