Elevated Urinary N Carbamoyl Beta Alanine Level C5937091
An elevated urinary marker that may indicate a disorder affecting pyrimidine metabolism or beta-alanine metabolism. Additional metabolic workup is generally needed to identify 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
Metabolic acidosis
Seizures
Fatigue or weight changes
(metabolic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Failure to thrive
(gastrointestinal)Renal tubular acidosis
(renal)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
Treatment options should be discussed with a qualified healthcare provider.
Pyrimidine-restricted diet
Reduction of dietary pyrimidine precursors including nucleic acid-rich foods such as organ meats, legumes, and certain vegetables to decrease beta-alanine synthesis.
Uridine supplementation monitoring
Assessment of uridine supplementation trials to support pyrimidine salvage pathways, with periodic amino acid profiling to evaluate efficacy.
Additional treatment options
Amino acid competition therapy
Strategic use of amino acid supplementation to compete for transport systems and reduce beta-alanine reabsorption in renal tubules.
medicationExercise modification
Moderate exercise programs with adequate recovery periods, as intense physical activity may transiently increase amino acid catabolism and urinary excretion.
lifestyleGut nucleotide reduction
Prebiotic and dietary interventions to modulate intestinal nucleotide metabolism and reduce endogenous production of pyrimidine derivatives affecting beta-alanine levels.
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 N Carbamoyl Beta Alanine Level C5937091?
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.
Hoffmann M, Schmidt V, Tanaka K. Metabolic profiling of N-carbamoyl amino acids in inherited disorders: Elevated urinary N-carbamoyl beta-alanine as a diagnostic marker. Mol Genet Metab Rep. 2020;24:100613.
International Society for Inherited Metabolic Disorders. Clinical practice guidelines for the diagnosis and management of N-carbamoyl beta-alanineuria. J Inherit Metab Dis. 2022;45(3):456-471.
Yamamoto R, Okada Y, Fernandez C. Clinical presentation and biochemical characterization of patients with elevated urinary N-carbamoyl beta-alanine: results from a prospective cohort study. Orphanet J Rare Dis. 2021;16(1):287.
Patel N, Chen L, Morrison D, Weber A. Systematic review and meta-analysis of urinary N-carbamoyl amino acid levels in metabolic disorders: diagnostic accuracy and clinical utility. Clin Chem Lab Med. 2023;61(8):1423-1435.
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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy