Small kidney of unknown cause
Chapter 14:Diseases of the genitourinary system
ICD-10 N27 is a billable code used to indicate a diagnosis of small kidney of unknown cause.
Small kidney of unknown cause, classified under ICD-10 code N27, refers to a condition where one or both kidneys are smaller than normal without a known etiology. This condition can be identified through imaging studies such as ultrasound or CT scans, which reveal reduced kidney size. The small kidney may be a result of congenital anomalies, chronic ischemic nephropathy, or other unspecified kidney disorders. Patients may present with varying degrees of renal function impairment, and the condition can be asymptomatic or associated with hypertension, proteinuria, or other renal-related symptoms. The underlying causes can be multifactorial, including genetic predispositions, vascular issues leading to ischemia, or prior renal insults. Accurate diagnosis is crucial as it influences management strategies, including monitoring renal function and potential interventions to prevent progression to chronic kidney disease. Given the unknown cause, it is essential for healthcare providers to conduct thorough evaluations to rule out other renal pathologies and to understand the patient's overall health status.
Detailed renal function tests, imaging results, and patient history.
Patients with chronic kidney disease presenting with small kidneys.
Ensure all renal function tests are documented to support the diagnosis.
Comprehensive patient history and physical examination findings.
Routine check-ups revealing hypertension or proteinuria.
Document any referrals to nephrology for further evaluation.
Used to evaluate kidney size and function.
Document findings of kidney size and any abnormalities.
Nephrology specialists should ensure imaging correlates with clinical findings.
Documentation must include imaging results confirming small kidney size, renal function tests, and any relevant patient history that supports the diagnosis of small kidney of unknown cause.
