Chemotherapy Desensitization                                    (2Q 2025 Coding Clinic) When a patient is admitted for chemotherapy desensitization, assign code Z51.11, Encounter for antineoplastic chemotherapy, as the principal diagnosis. Chemotherapy desensitization...

Lymphovascular Invasion (2Q 2025 Coding Clinic)The patient underwent an outpatient radical prostatectomy with pelvic LN dissection for prostate cancer. The final diagnosis listed on the pathology report indicates lymphovascular invasion; however, it also confirmed...

Local Invasion of Cancer (2Q 2025 Coding Clinic)Pathology findings indicate poorly differentiated carcinoma/right renal cell carcinoma, invading the renal vein and renal sinus after a right robotic radical nephrectomy on an inpatient stay. Assign only code C64.1,...

Excessive Dynamic Airway Collapse (EDAC) (2Q 2025 Coding Clinic)Excessive Dynamic Airway Collapse (EDAC) refers to a condition where the posterior tracheal membrane excessively bows forward into the airway lumen during expiration, causing dynamic narrowing....

Accelerated Idioventricular Rhythm (AIVR) (2Q 2025 Coding Clinic)AIVR is a hemodynamically stable rhythm and can occur after a myocardial infarction during the reperfusion phase or after cardiac ablation. Idioventricular rhythm is similar to ventricular tachycardia,...

Viral Myocarditis due to COVID-19 (1Q 2025 Coding Clinic) There was a revision made to the ICD-10-CM Alphabetic Index, effective April 1, 2025 per the Centers for Disease Control and Prevention’s (CDC) National Center for Health Statistics (NCHS) during a recent...

Zero Balance Ultrafiltration/Z-BUF (1Q 2025 Coding Clinic)Ultrafiltration is used to maintain volume management and/or filter the blood in order to reduce the adverse effects of hemodilution during cardiopulmonary bypass (CPB). Hyperkalemia is common while on CPB and...

Hepatorenal Syndrome with Acute Kidney Injury (1Q 2025 Coding Clinic)A patient presents with acute kidney injury (AKI) likely secondary to hepatorenal syndrome (HRS) secondary to metastatic breast cancer to the liver. Would AKI and HRS be reported separately or is AKI...