In CPT 1993, the descriptor of code 45378 (REVISED IN 2015) stated Colonoscopy, fiberoptic beyond the splenic flexure; diagnostic, with or without colon decompression. In CPT 1994, the descriptor of code 45378 was revised to state Colonoscopy, flexible, proximal to splenic flexure; diagnostic with or without collection of specimen(s) by brushing or washing, with or without colon decompression (separate procedure). What do you recommend as the correct code for a complete colonoscopy, or colonoscopy, fiberoptic, beyond the splenic flexure? ...
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Article Overview
This article explains a CPT terminology update affecting colonoscopy language over time and addresses a question about which code corresponds to a complete colonoscopy. It is useful for coders, billing staff, and compliance teams who need to understand how historical descriptors map to current CPT wording. The discussion focuses on the code-set revision context, the procedure definition used by CPT, and the relationship between older and newer terminology.
Why This Topic Matters
Accurate interpretation of changing CPT terminology helps prevent coding confusion when comparing older records, current documentation, and revised code descriptors.
What You Will Learn
- How CPT colonoscopy terminology changed across editions
- How the article frames the relationship between historical and current descriptor language
- What general type of procedure clarification the article addresses
- How CPT defines the scope of colonoscopy at a high level
Who Should Read This
- Medical coders
- Billing staff
- Compliance teams
- Revenue cycle professionals
Codes Discussed
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