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Nephrology & Renal Medicine

Cortical Nephrocalcinosis

ICD-10 Code
N28.89

Deposition of calcium in the renal cortex. Typically associated with previous massive tissue injury/necrosis such as Acute Cortical Necrosis, chronic glomerulonephritis, or severe rejected renal allograft.

Clinical Presentation & Protocol

Patient Usually Complains Of

Patient presents for evaluation of cortical nephrocalcinosis, identified via imaging. History significant for [Acute Cortical Necrosis / Chronic Glomerulonephritis / Renal Allograft Rejection]. Patient reports [no symptoms / flank pain / hematuria / decreased urine output]. Current renal function status: [Stable / Declining]. No history of hyperparathyroidism or hypercalcemia.

Clinical Examination Findings

General appearance: Patient is [well-appearing / in mild distress]. Vitals: BP [value] mmHg, HR [value] bpm. Abdominal exam: No palpable renal masses, no costovertebral angle tenderness (CVAT). Skin: No evidence of uremic frost or xanthomas. Edema: [None / Trace / Pitting] noted in lower extremities.

Treatment Protocol

Management plan: 1. Address underlying etiology (e.g., optimization of graft function, management of glomerulonephritis). 2. Metabolic workup: Serum calcium, phosphate, PTH, and 24-hour urine collection for calcium/creatinine. 3. Nephrology follow-up for GFR monitoring. 4. Avoid nephrotoxic agents. 5. Hydration optimization.

Detailed clinical guide coming soon.