Sequencing Codes for Screening-Turned-Therapeutic Colonoscopies

Why This Topic Matters

Correct claim sequencing for colonoscopy services can affect whether claims are accepted or denied. The article is useful for coders and billing staff who need to compare CMS guidance, contractor-specific policies, and outpatient coding conventions.

Article Sections

1. Screening diagnosis code

   Introduces the claim sequencing issue that arises when a screening colonoscopy changes to a therapeutic encounter. It summarizes the Medicare and contractor-level uncertainty described in the article.

2. CMS on ICD-9 codes for screening-to-therapeutic colonoscopies

   Presents CMS commentary on reporting requirements and the relationship between screening visits, procedure reporting, and outpatient coding guidance. It also references the general outpatient sequencing framework discussed in the article.