ICD CODES

ICD Code N13.30

ICD code N13.30 is used to classify unspecified hydronephrosis, aiding in the standardized documentation and analysis of medical conditions.

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What is ICD diagnosis code N13.30

ICD code N13.30 is used to classify a medical condition known as unspecified hydronephrosis. This condition involves the swelling of a kidney due to a build-up of urine, which occurs when there is an obstruction or blockage in the urinary tract that prevents urine from draining properly from the kidney to the bladder. The term "unspecified" indicates that the exact cause of the hydronephrosis has not been determined or documented in the patient's medical records. This code is essential for healthcare providers to accurately document and communicate the diagnosis for billing and treatment purposes.

When to use ICD code N13.30

When considering the use of the ICD code for unspecified hydronephrosis, healthcare providers should evaluate the following diagnostic criteria and symptoms:

1. Imaging Evidence: Presence of dilation of the renal pelvis and calyces observed through imaging studies such as ultrasound, CT scan, or MRI, without a clear underlying cause.

2. Urinary Symptoms: Patients may present with symptoms such as flank pain, hematuria (blood in urine), or urinary tract infections, although these are not always present.

3. Renal Function Tests: Abnormalities in renal function tests, such as elevated serum creatinine or blood urea nitrogen (BUN), which may suggest impaired kidney function.

4. Absence of Obstruction: No definitive evidence of obstruction in the urinary tract, such as stones or strictures, that could explain the hydronephrosis.

5. Exclusion of Other Conditions: Rule out other potential causes of hydronephrosis, such as tumors, congenital anomalies, or vesicoureteral reflux, through appropriate diagnostic evaluations.

6. Clinical Evaluation: Comprehensive clinical evaluation and history taking to assess for any underlying conditions or risk factors that could contribute to the development of hydronephrosis.

By adhering to these criteria, healthcare providers can ensure accurate documentation and coding for unspecified hydronephrosis, facilitating appropriate treatment and management strategies.

Billable CPT codes for ICD code N13.30

For the ICD code N13.30 (Unspecified hydronephrosis), the relevant CPT codes that may be applicable for treatment or diagnostic procedures include:

1. 50390 - Aspiration and/or injection of renal cyst or pelvis by needle, percutaneous.

2. 50432 - Placement of nephrostomy catheter, percutaneous, including diagnostic nephrostogram and/or ureterogram when performed, imaging guidance (e.g., ultrasound and/or fluoroscopy), and all associated radiological supervision and interpretation.

3. 50590 - Lithotripsy, extracorporeal shock wave.

4. 50693 - Percutaneous nephrolithotomy or pyelolithotomy, with removal of calculus/calculi.

5. 52005 - Cystourethroscopy, with ureteral catheterization, with or without irrigation, instillation, or ureteropyelography, exclusive of radiologic service.

6. 52332 - Cystourethroscopy, with insertion of indwelling ureteral stent (e.g., Gibbons or double-J type).

These CPT codes are examples of procedures that may be performed in the management or treatment of conditions associated with unspecified hydronephrosis. It is important for healthcare providers to select the appropriate CPT code based on the specific procedure performed and the clinical scenario.

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