Day: June 4, 2026

CPT code for colonoscopy 2026 hero banner: 45378 diagnostic base code, G0121 Medicare average-risk and G0105 high-risk screening, modifier PT, 33, and KX rules, NCCI same-session bundling, and the screening-to-diagnostic conversion.

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CPT Code for Colonoscopy: 45378, G0121, G0105 and 2026 Billing Guide

The CPT code for colonoscopy is 45378 for a standard diagnostic examination. For Medicare screening, the code is G0121 for average-risk patients and G0105 for high-risk patients, and the wrong code on a Medicare claim is

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Day: June 4, 2026

CPT Code for Colonoscopy: 45378, G0121, G0105 and 2026 Billing Guide