Billable Medical Code for Hydronephrosis
Diagnosis Code for Reimbursement Claim: ICD-9-CM 591
Code will be replaced by October 2015 and relabeled as ICD-10-CM 591.
Hydronephrosis is also known as acquired hydronephrosis, hydronephrosis (swelling kidney from backup of urine), hydronephrosis due to ureteral stricture, hydronephrosis w renal and ureteral calculus obstruction, hydronephrosis w ureteral stricture, hydronephrosis with obstruction by stones, hydronephrosis with renal and ureteral calculous obstruction, hydronephrosis with ureteral stricture, and hydronephrosis, acquired. This excludes congenital hydronephrosis (753.29) and hydroureter (593.29). This applies to hydrocalycosis, hydronephrosis, and hydroureternephrosis.
Hydronephrosis Definition and Symptoms
Hydronephrosis is when one kidney becomes swollen due to abnormal drainage of urine from the kidney. Usually only one kidney is affected. Symptoms include fever, urinary tract infection, pain when urinating,, pain in the abdomen, and urgency of urination.