581.9
ICD-9-CMThis code signifies a clinical syndrome characterized by significant proteinuria, hypoalbuminemia, hyperlipidemia, and edema, arising from a non-specific kidney lesion. It indicates that while the patient presents with the classic signs and symptoms of nephrotic syndrome, the underlying renal pathology has not been definitively identified or specified.
Use this code when documentation confirms a diagnosis of nephrotic syndrome, but the specific histological findings or the precise cause of the kidney damage (e.g., focal segmental glomerulosclerosis, membranous nephropathy) are unknown or not yet determined. This is often an initial diagnosis while further diagnostic workup, such as a renal biopsy, is pending or has not yielded a specific pathological lesion.
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