Kidney Stone and Pyelonephritis - AHA Coding Clinic® for ICD-10 …
https://www.findacode.com/newsletters/aha-coding-clinic/icd/kidney-stone-pyelonephritis-I063015.html
4 days ago · When referencing the main term “pyelonephritis” in the Alphabetic Index, there is a subentry for “with calculus” that directs to code N20.0, Calculus of kidney. However, the patient was admitted because of the pyelonephritis, not kidney stones. The focus of treatment was for the infection, and minimal resources were used for the stone.
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