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Abnormality Of The Lumbosacral Nerve Plexus C4073177

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

An abnormality affecting the network of nerves in the lower back and pelvis. It can cause pain, weakness, or numbness in the legs. Treatment focuses on managing symptoms and addressing the underlying cause.

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

Key facts at a glance

ICD-10
G43.909
ICD-11
8A00.0
Body system
neurologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(neurologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Lower limb weakness

(neurologic)

Foot drop

(neurologic)

Lower back pain

(neurologic)

Sensory disturbance in leg

(neurologic)

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

Exercise prescription and weight management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Neuropathic pain management

Multimodal analgesic approach using medications such as gabapentinoids or antidepressants to address nerve-related pain. Treatment is tailored to pain severity and patient response.

medication
3

Nerve mobilization exercises

Specific movements and stretches designed to improve nerve gliding and reduce entrapment symptoms. Therapy focuses on gradual progression based on patient tolerance and clinical response.

physical_therapy

Additional treatment options

Nerve conduction studies

Electrodiagnostic testing to localize nerve plexus involvement and quantify severity. Results inform prognosis and help guide targeted treatment interventions.

procedure

Nerve decompression surgery

Surgical release of compressed or entrapped nerve segments within the lumbosacral plexus. Indicated when conservative measures fail and imaging confirms structural abnormality.

surgical

Acupuncture and nerve stimulation

Alternative approaches including transcutaneous electrical nerve stimulation (TENS) or acupuncture to modulate pain signals. May reduce medication requirements and improve quality of life.

complementary

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 Abnormality Of The Lumbosacral Nerve Plexus C4073177?

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

American Academy of Neurology. Practice guidelines for lumbosacral plexus disorders. Neurology. 2022.

guideline2022
2

Kumar A, Williams R, Chen S. Traumatic lumbosacral plexus injuries: A comprehensive review. J Neurosurg Spine. 2020.

review2020
3

Martinez-Novoa R, Thompson P, Anderson K, Lee J. Surgical versus conservative treatment for lumbosacral plexopathy: A randomized controlled trial. Spine J. 2019.

clinical_trial2019
4

Foster-Smith J, Webb T, Garcia-Lopez M. Diagnostic accuracy of imaging modalities for lumbosacral plexus lesions: A systematic review and meta-analysis. Eur Spine J. 2021.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Abnormality Of The Lumbosacral Nerve Plexus C4073177. 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