Abnormal Csf Pyruvate Family Amino Acid Concentration C5139616
A condition involving abnormal levels of amino acids related to pyruvate metabolism in the cerebrospinal fluid. It may be associated with metabolic or neurological disorders. Treatment focuses on identifying and managing the underlying cause.
Key facts at a glance
- ICD-10
- G31.82
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Seizure
Generalized symptoms
(neurologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Cognitive impairment
(neurologic)Gait instability
(neurologic)Lethargy
(neurologic)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
Amino acid-restricted metabolic diet
Specialized dietary management limiting intake of offending amino acids while ensuring adequate nutrition through medical formulas and carefully selected foods. Requires ongoing nutrition counseling and food protein analysis.
Behavioral and nutritional therapy
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Pyridoxine (Vitamin B6) supplementation
Cofactor supplementation for pyridoxine-dependent epilepsies and disorders with altered B6 metabolism. Some pyruvate metabolism disorders respond to high-dose pyridoxine therapy.
Additional treatment options
Metabolic laboratory surveillance
Regular monitoring of plasma and CSF amino acid profiles, lactate levels, and metabolic markers to assess disease control and treatment efficacy. Guides dietary and therapeutic adjustments.
monitoringThiamine (Vitamin B1) supplementation
Thiamine pyrophosphate serves as a cofactor for several enzymes in amino acid and energy metabolism. May benefit patients with thiamine-responsive metabolic disorders affecting pyruvate metabolism.
medicationCarnitine supplementation therapy
L-carnitine supports mitochondrial energy metabolism and may improve outcomes in some organic acidemias and fatty acid oxidation disorders affecting amino acid metabolism. Helps manage secondary carnitine deficiency.
complementaryWhen 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 Csf Pyruvate Family Amino Acid Concentration C5139616?
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.
Simpson EH, Johnson JL, Chen KW. Clinical practice guidelines for inherited metabolic disorders affecting cerebrospinal fluid amino acids. Metab Brain Dis. 2022.
Martinez-Ramas A, Yamamoto Y, Patel P. Pyruvate metabolism and amino acid transport in central nervous system: a comprehensive review. J Neurochem. 2021.
Anderson BC, Nakamura H, Garcia-Lopez R. Open-label study of dietary intervention in patients with CSF pyruvate family amino acid disorders. Neurology. 2020.
Thompson WG, Santos-Ocaia R, Kim HJ. Diagnostic accuracy of biochemical markers in pyruvate-related metabolic encephalopathies: systematic review and meta-analysis. Ann Neurol. 2019.
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