Diarrhea ICD-10 refers to the diagnosis code used in the ICD-10-CM coding system to classify diarrhea for medical documentation, billing, and insurance claims. The most commonly used code for unspecified diarrhea is R19.7 (Diarrhea, unspecified), which is assigned when a healthcare provider documents diarrhea without identifying a specific underlying cause. If the diarrhea is linked t... https://mandmclaimscare.com/blog/icd-10-for-diarrhea/