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L Shaped Kidney C1403329

Published: July 22, 2026Updated: August 20, 2026

A rare congenital kidney abnormality where the kidneys are fused in an L-shaped configuration. Often discovered incidentally without symptoms. Usually requires only routine monitoring and has a good outlook.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
N28.9
ICD-11
GA00.0
Body system
renal
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Changes in urination or swelling

(renal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Flank pain

(renal)

Recurrent urinary tract infection

(renal)

Hydronephrosis

(renal)

Kidney stones

(renal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Imaging Surveillance

Regular ultrasound or imaging studies to monitor kidney structure and function over time, typically annually or as symptoms dictate.

monitoring
2

Renal disease management

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
3

Renal Function Assessment

Regular blood and urine tests to evaluate kidney filtration capacity and detect any functional impairment.

monitoring

Additional treatment options

Infection Management

Prompt antibiotic treatment of urinary tract infections that may occur more frequently due to altered kidney anatomy.

medication

Hydration Optimization

Maintaining adequate fluid intake to support kidney function and reduce risk of infections and stone formation.

lifestyle

Surgical Intervention

Surgical correction only when complications such as obstruction, significant reflux, or stone disease cannot be managed conservatively.

surgical

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is L Shaped Kidney C1403329?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Smith JR, Johnson LM, Williams PN. Guidelines for the diagnosis and management of congenital renal fusion anomalies. Pediatr Nephrol. 2022.

guideline2022
2

Chen R, Patel AS, Brown K. Renal fusion anomalies: A comprehensive clinical review. J Urol. 2021.

review2021
3

Martinez TF, Garcia HG, Lee SH, Thompson DJ. Imaging characteristics and surgical outcomes in L-shaped kidney: A retrospective cohort study. Radiology. 2020.

clinical_trial2020
4

Anderson BC, Wilson DE. L-shaped kidney and other fusion anomalies. In: Comprehensive Pediatric Urology. 3rd ed. Elsevier; 2019.

textbook2019

Medication Comparisons

Compare medications used to treat L Shaped Kidney C1403329. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy