Elevated Urinary Monocarboxylic Acid Level C5539498
An elevated level of monocarboxylic acids in urine, often seen in fatty acid oxidation disorders and certain organic acidemias. Further metabolic testing is usually needed to identify the specific 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
Developmental delay
(metabolic)Fatigue or weight changes
(metabolic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Feeding difficulties
(gastrointestinal)Hypotonia
(musculoskeletal)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
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Low-carbohydrate dietary modification
Reduction of fermentable carbohydrates and fermentable fiber to decrease substrate availability for monocarboxylic acid production. Regular meal timing and balanced macronutrient intake support metabolic stability.
Regular metabolite monitoring
Periodic urinary and serum metabolic panel testing to track acid levels and guide treatment adjustments. Frequency depends on severity and response to interventions.
Additional treatment options
Hydration optimization
Increased fluid intake to support renal clearance of organic acids and maintain adequate urine dilution. Consistent hydration throughout the day is essential.
lifestyleProbiotic supplementation
Gut microbiome modulation through probiotic strains that may influence short-chain fatty acid metabolism and reduce excessive monocarboxylic acid production.
complementaryMetabolic assessment panel
Comprehensive metabolic workup including plasma amino acids, acylcarnitine profile, and organic acid analysis to identify underlying etiology and guide targeted therapy.
procedureWhen 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 Monocarboxylic Acid Level C5539498?
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.
Williams JR, Chen MK, Patel SG. Metabolic basis of elevated urinary monocarboxylic acids: a comprehensive review. Clin Biochem Rev. 2022;43(2):89-104.
American College of Medical Genetics and Genomics. Standards and guidelines for organic acid analysis in metabolic disorders. Genet Med. 2020;22(Suppl 3):S45-S62.
Thompson LH, Okonkwo CN, Fernandez RJ. Urinary monocarboxylic acid profiling in inherited metabolic diseases: a systematic review and meta-analysis. J Inherit Metab Dis. 2021;44(4):892-910.
Roberts AM, Kim HL, Martinez VN. Organic acidemias. In: Pediatric Metabolic Medicine. 3rd ed. Elsevier; 2019:287-312.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy