The following article is written by Jen Cohrs CPC, CPMA, CGIC, member of AAPC. Colonoscopy coding is an art. There are many intricacies involved with the correct way to code a screening colonoscopy.

A single ICD-10 code, a missing modifier or a misclassified procedure intent can shift a colonoscopy from a fully covered preventive service to a medically necessary diagnostic one, which could change ...