AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2021 Issue 3; Ask the Editor

Colitis, Diarrhea and Excludes1 Instruction

The provider documented both colitis and diarrhea on the same encounter. At code K52.9, Noninfective gastroenteritis and colitis, unspecified, there is an Excludes1 note that references code R19.7, Diarrhea, unspecified. Based on the advice in Coding Clinic, Fourth Quarter 2018, pages 87-88, only the code referenced in the Excludes1 note should be assigned. Although the code referenced (R19.7) is a symptom, would it be the only code assigned? ...

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