Medicare Compliance & Reimbursement - 2015 Issue 43
Toxicology: Understand Screening vs. Confirmatory Testing
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Article Overview
This article is a practical overview for laboratory billing and coding professionals working with toxicology testing. It focuses on the terminology used in drug testing, the relationship between screening and follow-up testing, and the broad CPT structure that replaced older drug-code approaches. It also notes that payer rules, including Medicare-related coding differences, can affect how these services are reported.
Why This Topic Matters
Understanding toxicology testing terminology and the broad coding framework helps labs align documentation and claims with payer expectations while reducing billing risk. The topic is especially relevant for organizations that perform drug testing and need to distinguish among service categories without overstepping coding guidance.
What You Will Learn
- How toxicology testing is commonly organized into screening and follow-up testing
- How the article frames presumptive versus definitive drug testing
- Why payer coverage and medical necessity matter in drug testing workflows
- How the post-2015 CPT drug testing structure is discussed at a high level
- Why Medicare is mentioned as a separate coding consideration
Who Should Read This
- Laboratory billing staff
- Medical coders
- Compliance professionals
- Pathology and toxicology practices
- Revenue cycle teams
Code Ranges Discussed
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