Question

A patient was admitted with acute atrial fibrillation with rapid ventricular response and also in heart failure with pulmonary edema. The patient was digitalized to reduce the ventricular rate and given intravenous Lasix to reduce the cardiogenic pulmonary edema.
Identify the appropriate ICD-9-CM Official Coding Guideline for each scenario.

3. Provide a detailed explanation of why you selected the UHDDS guideline for each scenario.