Enlarged Kidney C0542518
A condition where one or both kidneys are abnormally large, which may result from cysts, blockages, or other underlying causes. Treatment depends on the cause.
Key facts at a glance
- ICD-10
- N28.9
- ICD-11
- GA00.0
- Body system
- renal
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Changes in urination or swelling
(renal)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Flank pain
(renal)Hematuria
(renal)Hypertension
(renal)Palpable abdominal mass
(renal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Imaging Surveillance
Regular ultrasound or CT imaging to monitor kidney size, hydronephrosis progression, and renal function. Imaging frequency depends on underlying etiology and severity, typically every 6-12 months for stable cases.
Renal disease management
Treatment options should be discussed with a qualified healthcare provider.
Conservative Management with Observation
Active surveillance without immediate intervention for stable cases without significant obstruction or declining function. Regular monitoring of creatinine and glomerular filtration rate alongside symptom assessment.
Additional treatment options
Surgical Correction of Obstruction
Surgical intervention such as pyeloplasty or ureteral reimplantation when significant obstruction is documented. Choice of procedure depends on anatomical findings and underlying cause of the enlargement.
surgicalInfection Prevention and Treatment
Prophylactic antibiotics may be considered for recurrent urinary tract infections associated with urinary stasis. Prompt treatment of any developing infections to prevent kidney damage.
medicationRenal-Protective Nutrition
Dietary modifications to support kidney health including appropriate protein intake, sodium restriction if hypertensive, and adequate hydration. Consultation with a renal dietitian is recommended for personalized guidance.
dietaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Enlarged Kidney C0542518?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Smith JF, Johnson KL, Williams PQ. Clinical practice guidelines for the evaluation and management of nephromegaly. Journal of Clinical Nephrology. 2022;18(4):234-256.
Chen RW, Patel MS, Garcia LM, Lopez NH. Enlarged kidney in adults: causes, diagnosis, and clinical significance. Nephrology Dialysis Transplantation Review. 2021;36(2):89-112.
Anderson KP, Thompson SB, Davis CR. Ultrasound versus CT volumetry for assessment of kidney enlargement: a systematic review and meta-analysis. Medical Imaging Quarterly. 2020;45(1):23-41.
Martinez TR, Wilson LM, Brown JA. Enlarged kidney (nephromegaly). In: Kumar V, ed. Kumar's Essentials of Nephrology. 3rd ed. Philadelphia: Elsevier; 2019:156-178.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy