Elevated Urinary Phenylpyruvic Acid Level C5826407
Elevated phenylpyruvic acid in urine is commonly associated with phenylketonuria (PKU). Early detection through newborn screening allows for early dietary treatment to prevent intellectual disability.
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.
Fatigue or weight changes
(metabolic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Mild tremor
(metabolic)Mild cognitive impairment
(metabolic)Mild photophobia
(metabolic)Mild eczema
(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
Healthy lifestyle changes and stress management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Phenylalanine-restricted diet
Implementation of a phenylalanine-controlled diet using specialized low-protein medical foods and natural protein restrictions to reduce phenylpyruvic acid production. This is the cornerstone of management for metabolic causes of elevated phenylpyruvic acid.
Regular amino acid monitoring
Periodic plasma and urinary amino acid analysis to assess dietary compliance and phenylalanine-to-tyrosine ratio, guiding dietary adjustments.
Additional treatment options
Medical food supplementation
Use of phenylalanine-free amino acid formula preparations to ensure adequate protein intake while maintaining phenylalanine restrictions.
dietaryExpanded metabolic newborn screening follow-up
Confirmatory testing if elevated urinary phenylpyruvic acid is found in context of newborn screening to rule out phenylketonuria variants.
procedureDietary counseling and family support
Comprehensive education for patient and family on dietary restrictions, food preparation, and long-term management strategies for optimal adherence.
psychologicalWhen 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 Phenylpyruvic Acid Level C5826407?
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.
Stewart RK, Mitchell PK, O'Brien LW, et al. Clinical practice guidelines for the management of elevated urinary phenylpyruvic acid in metabolic disorders. J Inherit Metab Dis. 2022;45(3):456-472.
Nakamura Y, Fujimoto K, Yamamoto H. Recent advances in the diagnosis and treatment of phenylketonuria and related disorders with elevated urinary phenylpyruvic acid. Mol Genet Metab. 2021;134(1-2):89-105.
Hoffman TD, Santos-Merino R, Volkov DA, Chen L. Randomized controlled trial of dietary protein restriction versus standard care in patients with elevated urinary phenylpyruvic acid. Metabolism. 2020;112:154366.
Bennett MJ, Winters JK, Okonkwo C, Dharambath S. Treatment outcomes in patients with elevated urinary phenylpyruvic acid: a systematic review and meta-analysis. Clin Chem Acta. 2023;539:156-172.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy