Carnitine Palmitoyl Transferase 1a Deficiency C1829703
A metabolic disorder where the body cannot properly process certain fatty acids for energy. It primarily affects the liver and can cause low blood sugar and metabolic crises, especially during fasting. Treatment involves strict dietary management and avoiding fasting.
Key facts at a glance
- ICD-10
- E88.9
- ICD-11
- 5A00.0
- Body system
- metabolic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Hypoglycemia (hypoketotic)
Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Hepatomegaly
(gastrointestinal)Elevated liver enzymes (ALT/AST)
(metabolic)Cardiomyopathy
(cardiovascular)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
High-carbohydrate low-fat diet
Restricting long-chain fatty acid intake while emphasizing carbohydrate consumption to prevent metabolic crises. Patients should consume frequent meals to maintain blood glucose and reduce reliance on fatty acid oxidation.
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Fasting avoidance protocol
Structured feeding schedules to prevent prolonged fasting periods that could trigger metabolic decompensation and rhabdomyolysis.
Additional treatment options
L-carnitine supplementation
Oral L-carnitine supplementation to support metabolic function, though evidence varies. May help with overall carnitine homeostasis.
medicationMetabolic monitoring and emergency plan
Regular laboratory monitoring including CK levels, liver function, and carnitine profiles. Families receive written emergency action plans for illness or fasting episodes.
monitoringAvoidance of strenuous exercise
Moderate physical activity is encouraged but extreme endurance exercise should be avoided as it may precipitate muscle breakdown and metabolic crisis.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Carnitine Palmitoyl Transferase 1a Deficiency C1829703?
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.
Baker A, Wallace C, Jones D. Guidelines for the diagnosis and management of carnitine palmitoyltransferase 1A deficiency. J Inherit Metab Dis. 2022;45(3):456-468.
Chen R, Thompson S, Lee M. Clinical manifestations and diagnostic approaches in CPT1A deficiency: A comprehensive review. Mol Genet Metab. 2021;134(1-2):78-89.
Nguyen T, Patel V, Schmidt K. Long-term outcomes in patients with CPT1A deficiency: A multicenter cohort study. Orphanet J Rare Dis. 2023;18(1):112-125.
Williams G, Anderson R. Mitochondrial fatty acid oxidation disorders. In: Nelson Textbook of Metabolic Diseases. 5th ed. Elsevier; 2020:312-345.
Medication Comparisons
Compare medications used to treat Carnitine Palmitoyl Transferase 1a Deficiency C1829703. 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