Article Overview

This short Find-A-Code article explains the general coding context for colonoscopy through a stoma when performed as part of a screening benefit. It focuses on the distinction between screening and diagnostic reporting from an administrative perspective, the role of payer-specific instructions, and the fact that different insurers may expect different CPT or HCPCS reporting approaches and modifiers. The article is useful for coders, billing staff, and revenue cycle teams who need to understand how payers may handle this scenario.