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Elevated Circulating C4 Acylcarnitine Concentration C5872917

Published: July 22, 2026Updated: August 20, 2026

Elevated C4 acylcarnitine indicates a buildup of short-chain fatty acids, often detected in newborn screening. It may suggest an inherited metabolic condition affecting how the body breaks down certain fats. Management includes dietary adjustments and monitoring.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
E88.9
ICD-11
5A00.0
Body system
metabolic
Severity
mild
Chronic
true

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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 20, 2026. · Read our editorial policy