Abnormal Circulating Glutamate Concentration C4732902
This refers to abnormal glutamate levels, a chemical messenger in the brain and nervous system. It may affect brain function and is sometimes seen in neurological conditions. Evaluation focuses on identifying the underlying cause.
Key facts at a glance
- ICD-10
- E88.9
- ICD-11
- 5A00.0
- Body system
- metabolic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Seizures
Sudden, uncontrolled electrical disturbances in the brain causing convulsions, loss of consciousness, or involuntary movements.
Seek immediate emergency care for any seizure activity
Loss of consciousness
Sudden fainting or loss of awareness where the person becomes unresponsive temporarily.
Seek immediate emergency care for any loss of consciousness
Headache
(neurologic)Persistent or recurring headache often described as dull, pressure-like, or throbbing in nature.
Frequency: 70-80% of patients
Nausea and vomiting
(gastrointestinal)Feeling of sickness in the stomach with urge to vomit, may occur intermittently or after meals.
Frequency: 50-60% of patients
Fatigue and weakness
(constitutional)Persistent feeling of tiredness, low energy, and generalized body weakness that interferes with daily activities.
Frequency: 50-65% of patients
Cognitive difficulties
(neurologic)Trouble with concentration, memory problems, and difficulty focusing on tasks or forming thoughts.
Frequency: 40-55% of patients
Numbness or tingling
(neurologic)Abnormal sensations often described as pins and needles, burning, or prickling, typically in extremities.
Frequency: 35-45% of patients
Anxiety and agitation
(psychiatric)Feeling of nervousness, restlessness, or heightened worry that may come and go or persist throughout the day.
Frequency: 20-30% of patients
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
Glutamate intake reduction
Reducing consumption of foods high in free glutamate, such as processed foods containing MSG, soy sauce, and aged cheeses, may help manage elevated circulating glutamate. Reading food labels and preparing home-cooked meals supports this approach.
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Neurochemical monitoring
Regular assessment of glutamate levels and neurological function helps track treatment progress and adjust interventions as needed. Neurological examinations complement laboratory testing.
Additional treatment options
Neurotransmitter modulation
Certain medications that modulate glutamate receptor activity or enhance GABA function may be considered for significant neurological symptoms. Treatment requires careful evaluation by a neurologist or specialist.
medicationNutritional support therapy
Targeted nutritional supplementation with compounds that support neurotransmitter balance may complement dietary modifications. Magnesium and B vitamins are commonly considered supportive nutrients.
complementarySleep optimization
Quality sleep supports neurological homeostasis and may help regulate glutamate metabolism. Establishing consistent sleep patterns and adequate sleep duration contributes to overall neurological health.
lifestyleWhen 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 Abnormal Circulating Glutamate Concentration C4732902?
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.
Kelley R, Woltjer R. Glutamate Metabolism and Transport in Human Health and Disease. Physiol Rev. 2020;100(2):469-527.
European Federation of Neurological Societies. Guidelines on the Management of Disorders of Amino Acid Metabolism. EFNS Guidelines. 2019.
Albrecht J, Zielińska M. Glutamate Metabolism in Liver Disease: Implications for Hepatic Encephalopathy. Metab Brain Dis. 2019;34(5):1331-1343.
van Giau V, Wu SJ, Kim J, et al. Circulating Glutamate as a Biomarker for Neurodegenerative Diseases: A Systematic Review and Meta-Analysis. J Clin Med. 2021;10(14):3149.
Murray RK, Bender DA, Botham KM, et al. Harper's Illustrated Biochemistry. 31st ed. McGraw-Hill; 2018.
NCT03546361. Study of Glutamate Metabolism in Metabolic Disorders. ClinicalTrials.gov. 2018.
Inborn Errors of Metabolism Society. Consensus Statement on Amino Acid Metabolism Disorders. J Inherit Metab Dis. 2020;43(2):159-168.
American Society for Parenteral and Enteral Nutrition. Glutamine and Glutamate in Critical Illness: ASPEN Position Statement. JPEN J Parenter Enteral Nutr. 2020;44(5):749-768.
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.
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 25, 2026. · Read our editorial policy