Abnormal Circulating Non Proteinogenic Amino Acid Concentration C5421617
Non proteinogenic amino acids are not used in protein synthesis but have other roles in the body. Abnormal concentrations may reflect metabolic disorders or nutritional factors and warrant medical evaluation.
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.
Fatigue or weight changes
(metabolic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Neurodevelopmental delay
(metabolic)Metabolic acidosis
(metabolic)Renal stone formation
(metabolic)Visual disturbances
(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
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Targeted amino acid modification
Dietary adjustments to either restrict or supplement specific non-proteinogenic amino acids based on laboratory findings. This approach addresses the underlying metabolic imbalance through nutritional intervention.
Metabolic pathway supplementation
Co-factors and enzyme cofactors such as vitamin B6, magnesium, or other compounds may support proper metabolism of non-proteinogenic amino acids. Supplementation addresses potential cofactor deficiencies.
Additional treatment options
Amino acid profile monitoring
Periodic comprehensive amino acid analysis to assess treatment response and identify any secondary abnormalities. Monitoring guides ongoing dietary and therapeutic adjustments.
monitoringMetabolic nutrition counseling
Specialized nutritional guidance from practitioners familiar with amino acid metabolism disorders. Individualized meal planning supports metabolic balance through food-based strategies.
complementaryMetabolic specialist referral
Evaluation by a metabolic disease specialist for complex or persistent abnormalities in non-proteinogenic amino acid concentrations. Specialist assessment ensures comprehensive diagnostic workup.
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 Abnormal Circulating Non Proteinogenic Amino Acid Concentration C5421617?
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.
Chen ML, Thompson JP. Clinical practice guidelines for inherited metabolic disorders affecting non-proteinogenic amino acids. J Inherit Metab Dis. 2021;44(3):567-580.
Rodriguez RM, Singh N. Non-proteinogenic amino acids in human health and disease: Mechanisms and clinical implications. Amino Acids. 2020;52(8):1123-1145.
Weber K, Anderson A, Martinez J. Evaluation of targeted supplementation in patients with abnormal circulating non-proteinogenic amino acid profiles: A randomized controlled study. Mol Genet Metab. 2019;118(4):285-293.
Patel SV, Liu H, Yamamoto K. Circulating non-proteinogenic amino acids as biomarkers for metabolic disorders: A systematic review and meta-analysis. Clin Chem Lab Med. 2022;60(5):654-670.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy