E/M Coding Alert - 2023 Issue 5
Reader Questions: Don’t Forget to ‘Code First’
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Article Overview
This reader Q&A discusses an ICD-10-CM claim denial involving a colonoscopy billed for a patient with a personal history of colon polyps. It is aimed at coders and billing staff who need to understand diagnosis sequencing, follow-up encounter coding, and the related guideline references that affect screening claims.
Why This Topic Matters
Diagnosis sequencing can determine whether a screening or follow-up service is accepted by the payer. This article helps readers understand the broader coding guidance behind a denial involving history codes and first-listed diagnosis selection.
Article Sections
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Question
The scenario describes a colonoscopy claim, the patient’s history context, and the payer denial that prompted the question.
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Answer
The response discusses ICD-10-CM sequencing guidance, follow-up encounter coding concepts, and related references that govern how history codes are ordered.
What You Will Learn
- How a claim denial can relate to diagnosis sequencing
- How follow-up encounter coding interacts with history codes
- What general type of ICD-10-CM guidance is referenced in the discussion
- Why screening-related claims may require careful first-listed diagnosis selection
Who Should Read This
- Medical coders
- Coding auditors
- Billing staff
- Practice managers
- Compliance staff
Codes Discussed
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