Elevated Urinary 3 Hydroxyisobutyric Acid Level C5937362
A rare organic acid disorder affecting how the body breaks down the amino acid leucine. Symptoms can include developmental delays, movement problems, and metabolic complications. Management typically involves special diets and monitoring.
Key facts at a glance
- ICD-10
- E88.9
- ICD-11
- 5A00.0
- Body system
- metabolic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Metabolic acidosis
Fatigue or weight changes
(metabolic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Hypotonia
(metabolic)Feeding difficulties
(metabolic)Developmental delay
(metabolic)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
Behavioral and nutritional therapy
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Valine-restricted diet
Controlled dietary protein intake with selective restriction of valine-rich foods to reduce accumulation of 3-hydroxyisobutyric acid. Regular monitoring of amino acid levels guides dietary adjustments.
L-carnitine supplementation
Carnitine supplementation to support mitochondrial function and facilitate excretion of accumulating organic acids. Dosing based on body weight and severity of metabolic derangement.
Additional treatment options
Avoidance of fasting
Regular meal scheduling with complex carbohydrates to prevent catabolism and reduce metabolic stress on affected individuals.
lifestyleRegular metabolic laboratory monitoring
Periodic measurement of urinary organic acids, plasma amino acids, and acylcarnitine profile to assess treatment efficacy and metabolic control.
monitoringThiamine supplementation
B1 vitamin supplementation as a cofactor for branched-chain amino acid metabolism, potentially improving metabolic efficiency.
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 Elevated Urinary 3 Hydroxyisobutyric Acid Level C5937362?
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.
Thompson RK, Williams JA. Metabolic Disorders with Elevated 3-Hydroxyisobutyric Acid: A Comprehensive Review. Metabolomics. 2022;18(4):215-230.
Martinez-Lopez SM, Chen W, Patel A. Evaluation of Urinary 3-Hydroxyisobutyric Acid as a Biomarker in Metabolic Screening. J Clin Endocrinol Metab. 2020;105(8):djz245.
European Society for Metabolic Disorders. Clinical Practice Guidelines for Organic Acidemias and Related Conditions. Orphanet J Rare Dis. 2021;16(1):342.
Singh N, Brown ML, Garcia-Herrero J. Systematic Review and Meta-Analysis of Elevated Hydroxyisobutyric Acid in Urine: Clinical Significance and Diagnostic Utility. Clin Chem Acta. 2023;537:98-108.
Medication Comparisons
Compare medications used to treat Elevated Urinary 3 Hydroxyisobutyric Acid Level C5937362. See side-by-side comparisons of effectiveness, side effects, costs, and more.
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