ICD-10: E71.39

Other disorders of fatty-acid metabolism

Additional Information

Description

ICD-10 code E71.39 refers to "Other disorders of fatty-acid metabolism," which encompasses a range of metabolic conditions that affect the body's ability to process fatty acids. These disorders can lead to various clinical manifestations and complications, depending on the specific type of fatty acid metabolism disorder involved.

Clinical Description

Overview of Fatty-Acid Metabolism Disorders

Fatty-acid metabolism disorders are a group of inherited metabolic conditions that disrupt the normal breakdown and utilization of fatty acids. These disorders can result from enzyme deficiencies that impair the body's ability to convert fatty acids into energy, leading to an accumulation of fatty acids or their metabolites in the body. This can cause a variety of symptoms, including hypoglycemia, muscle weakness, and liver dysfunction.

Types of Disorders Included in E71.39

The category of "Other disorders of fatty-acid metabolism" includes various specific conditions that do not fall under more defined categories. Some examples of these disorders may include:

  • Medium-Chain Acyl-CoA Dehydrogenase Deficiency (MCADD): A condition that affects the body's ability to break down medium-chain fatty acids, leading to energy deficits, especially during fasting.
  • Long-Chain 3-Hydroxyacyl-CoA Dehydrogenase Deficiency (LCHADD): This disorder affects the metabolism of long-chain fatty acids and can lead to severe hypoglycemia and liver problems.
  • Very Long-Chain Acyl-CoA Dehydrogenase Deficiency (VLCADD): Affects the breakdown of very long-chain fatty acids, resulting in muscle pain, weakness, and potential heart issues.

Symptoms and Clinical Presentation

The symptoms of disorders classified under E71.39 can vary widely but may include:

  • Hypoglycemia: Low blood sugar levels, particularly during fasting or illness.
  • Muscle Weakness: Especially after prolonged exercise or fasting.
  • Liver Dysfunction: Symptoms may include jaundice, hepatomegaly, or elevated liver enzymes.
  • Cardiomyopathy: In some cases, fatty-acid metabolism disorders can lead to heart problems.
  • Neurological Symptoms: These can range from developmental delays to seizures, depending on the specific disorder.

Diagnosis

Diagnosis of fatty-acid metabolism disorders typically involves a combination of clinical evaluation, biochemical testing, and genetic testing. Key diagnostic methods include:

  • Blood Tests: To measure levels of fatty acids and their metabolites.
  • Urine Tests: To detect organic acids that may accumulate due to metabolic dysfunction.
  • Genetic Testing: To identify specific enzyme deficiencies or mutations associated with fatty-acid metabolism disorders.

Management and Treatment

Management of disorders under E71.39 often focuses on dietary modifications, such as:

  • Avoiding Fasting: Regular meals and snacks to prevent hypoglycemia.
  • Special Diets: Low-fat diets or specific formulas that provide essential nutrients without overloading the metabolic pathways.
  • Supplementation: In some cases, medium-chain triglycerides (MCTs) may be used as an alternative energy source.

Conclusion

ICD-10 code E71.39 encompasses a variety of disorders related to fatty-acid metabolism that can significantly impact an individual's health. Early diagnosis and appropriate management are crucial to mitigate complications and improve quality of life for affected individuals. Understanding the specific disorder and its implications is essential for effective treatment and support.

Clinical Information

The ICD-10 code E71.39 refers to "Other disorders of fatty-acid metabolism," which encompasses a range of conditions that affect the body's ability to metabolize fatty acids. Understanding the clinical presentation, signs, symptoms, and patient characteristics associated with this code is crucial for accurate diagnosis and management.

Clinical Presentation

Overview of Fatty-Acid Metabolism Disorders

Disorders of fatty-acid metabolism can lead to various metabolic disturbances, primarily affecting energy production and storage. These disorders may result from genetic mutations affecting enzymes involved in fatty acid oxidation, leading to an accumulation of fatty acids or their metabolites in the body.

Common Clinical Manifestations

Patients with disorders classified under E71.39 may present with a variety of symptoms, which can vary significantly based on the specific disorder and the age of onset. Common clinical manifestations include:

  • Hypoglycemia: Low blood sugar levels, particularly during fasting or illness, due to impaired gluconeogenesis and reliance on fatty acids for energy.
  • Muscle Weakness: Myopathy or muscle weakness can occur, especially after prolonged exercise or fasting, as the body struggles to utilize fatty acids for energy.
  • Cardiomyopathy: Some patients may develop heart muscle disease, which can lead to heart failure.
  • Liver Dysfunction: Hepatomegaly (enlarged liver) and elevated liver enzymes may be observed due to fat accumulation in liver cells.
  • Neurological Symptoms: These can include developmental delays, seizures, or cognitive impairments, particularly in severe cases.

Signs and Symptoms

Specific Symptoms

The symptoms associated with E71.39 can be diverse and may include:

  • Fatigue: Chronic fatigue is common due to energy deficits.
  • Vomiting: Particularly during metabolic crises or illness.
  • Failure to Thrive: In infants and children, poor growth and weight gain may be evident.
  • Hypotonia: Reduced muscle tone can be observed in infants.
  • Rhabdomyolysis: Muscle breakdown can occur, leading to myoglobinuria and kidney complications.

Diagnostic Indicators

Healthcare providers may look for specific laboratory findings, such as:

  • Elevated Plasma Free Fatty Acids: Indicative of impaired fatty acid oxidation.
  • Abnormal Acylcarnitine Profiles: Detected through newborn screening or metabolic testing.
  • Urinary Organic Acids: Increased levels of certain organic acids may suggest specific metabolic defects.

Patient Characteristics

Demographics

Disorders of fatty-acid metabolism can affect individuals of all ages, but certain conditions may present more frequently in specific populations:

  • Genetic Predisposition: Many fatty-acid metabolism disorders are inherited in an autosomal recessive manner, meaning that family history can play a significant role in patient characteristics.
  • Age of Onset: Symptoms may present in infancy, childhood, or even adulthood, depending on the specific disorder. For instance, some conditions may manifest early with severe symptoms, while others may have a later onset with milder symptoms.

Risk Factors

Certain risk factors may increase the likelihood of developing disorders under E71.39:

  • Family History: A known history of metabolic disorders in the family can indicate a higher risk.
  • Ethnic Background: Some fatty-acid metabolism disorders are more prevalent in specific ethnic groups due to genetic factors.

Conclusion

Disorders of fatty-acid metabolism classified under ICD-10 code E71.39 present a complex array of clinical manifestations, signs, and symptoms that can significantly impact patient health. Early recognition and diagnosis are essential for effective management and treatment. Healthcare providers should consider the patient's clinical presentation, family history, and specific laboratory findings to guide diagnosis and therapeutic strategies. Understanding these disorders is crucial for improving patient outcomes and providing appropriate care.

Approximate Synonyms

The ICD-10 code E71.39 refers to "Other disorders of fatty-acid metabolism," which encompasses a variety of conditions related to the metabolism of fatty acids that do not fall under more specific categories. Understanding the alternative names and related terms for this code can be beneficial for healthcare professionals, researchers, and patients alike.

Alternative Names for E71.39

  1. Fatty Acid Oxidation Disorders: This term broadly describes conditions where the body cannot properly oxidize fatty acids, leading to various metabolic issues.

  2. Disorders of Fatty Acid Metabolism: A general term that includes various metabolic disorders affecting the breakdown and utilization of fatty acids.

  3. Inborn Errors of Metabolism: This phrase is often used to describe genetic disorders that affect metabolic pathways, including those related to fatty acid metabolism.

  4. Acyl-CoA Dehydrogenase Deficiency: While this is a specific type of fatty acid oxidation disorder, it is often included in discussions about broader fatty acid metabolism issues.

  5. Medium-Chain Acyl-CoA Dehydrogenase Deficiency (MCADD): Another specific disorder that falls under the umbrella of fatty acid metabolism disorders, often mentioned in relation to E71.39.

  1. Metabolic Disorders: A broader category that includes any disorder affecting metabolism, including those related to fatty acids.

  2. Lipid Metabolism Disorders: This term encompasses a wider range of conditions affecting lipid metabolism, including fatty acids.

  3. Ketotic Hypoglycemia: A condition that can arise from fatty acid metabolism disorders, characterized by low blood sugar levels and the presence of ketones.

  4. Carnitine Deficiency: A related condition that can impact fatty acid metabolism, as carnitine is essential for transporting fatty acids into the mitochondria for oxidation.

  5. Mitochondrial Disorders: Many fatty acid metabolism disorders are linked to mitochondrial dysfunction, making this term relevant in discussions of E71.39.

Conclusion

The ICD-10 code E71.39 encompasses a range of disorders related to fatty acid metabolism, and understanding its alternative names and related terms can enhance communication among healthcare providers and improve patient education. By recognizing these terms, professionals can better identify and manage conditions associated with fatty acid metabolism disorders, ultimately leading to improved patient outcomes.

Diagnostic Criteria

The ICD-10 code E71.39 refers to "Other disorders of fatty-acid metabolism," which encompasses a range of metabolic disorders that affect the body's ability to metabolize fatty acids. Diagnosing these conditions typically involves a combination of clinical evaluation, biochemical testing, and genetic analysis. Below are the key criteria and methods used for diagnosis:

Clinical Evaluation

  1. Patient History: A thorough medical history is essential. Clinicians will inquire about symptoms, family history of metabolic disorders, and any previous diagnoses. Symptoms may include hypoglycemia, muscle weakness, cardiomyopathy, or liver dysfunction, which can indicate fatty acid metabolism issues.

  2. Physical Examination: A physical examination may reveal signs of metabolic disorders, such as growth delays, neurological deficits, or signs of liver disease.

Biochemical Testing

  1. Blood Tests:
    - Acylcarnitine Profile: This test measures the levels of acylcarnitines in the blood, which can indicate specific fatty acid oxidation disorders. Elevated levels of certain acylcarnitines can suggest a particular type of fatty acid metabolism disorder.
    - Fatty Acid Profile: Analysis of fatty acids in the blood can help identify abnormalities in fatty acid metabolism.

  2. Urine Tests:
    - Organic Acids Test: This test can detect the presence of organic acids that accumulate due to fatty acid metabolism disorders. Specific patterns can help differentiate between various disorders.

Genetic Testing

  1. Molecular Genetic Testing: Genetic testing can identify mutations in genes associated with fatty acid metabolism disorders. This is particularly useful for confirming diagnoses when biochemical tests suggest a specific disorder.

  2. Family Genetic Studies: In cases where a hereditary condition is suspected, testing family members may provide additional insights into the genetic basis of the disorder.

Imaging Studies

  1. Ultrasound or MRI: Imaging studies may be used to assess organ involvement, such as liver enlargement or fatty infiltration, which can occur in metabolic disorders.

Differential Diagnosis

  1. Exclusion of Other Conditions: It is crucial to rule out other conditions that may present with similar symptoms, such as mitochondrial disorders, other metabolic disorders, or endocrine issues.

Conclusion

Diagnosing disorders of fatty acid metabolism, such as those classified under ICD-10 code E71.39, requires a comprehensive approach that includes clinical evaluation, biochemical testing, genetic analysis, and sometimes imaging studies. Each case may present unique challenges, and a multidisciplinary team often collaborates to ensure accurate diagnosis and management. If you suspect a fatty acid metabolism disorder, consulting a healthcare professional specializing in metabolic diseases is essential for appropriate testing and diagnosis.

Treatment Guidelines

The ICD-10 code E71.39 refers to "Other disorders of fatty-acid metabolism," which encompasses a range of metabolic conditions that affect the body's ability to process fatty acids. These disorders can lead to various clinical manifestations, including hypoglycemia, muscle weakness, and cardiomyopathy, among others. The treatment approaches for these conditions are multifaceted and often tailored to the specific disorder and the individual patient's needs.

Overview of Fatty-Acid Metabolism Disorders

Fatty-acid metabolism disorders can arise from genetic mutations affecting enzymes involved in the breakdown and synthesis of fatty acids. These disorders can lead to an accumulation of fatty acids or their metabolites, resulting in toxic effects on various organs, particularly the liver, heart, and muscles. Common examples include medium-chain acyl-CoA dehydrogenase deficiency (MCADD) and long-chain fatty acid oxidation disorders.

Standard Treatment Approaches

1. Dietary Management

One of the primary treatment strategies for fatty-acid metabolism disorders is dietary modification. This typically includes:

  • High-Carbohydrate, Low-Fat Diet: Patients are often advised to consume a diet rich in carbohydrates while limiting fat intake. This helps to reduce the reliance on fatty acids for energy, minimizing the risk of metabolic crises[1].
  • Frequent Meals: Eating smaller, more frequent meals can help maintain stable blood glucose levels and prevent hypoglycemia, which is a common concern in these disorders[1].
  • Supplementation: In some cases, specific dietary supplements, such as medium-chain triglycerides (MCTs), may be recommended. MCTs can be rapidly absorbed and metabolized, providing an alternative energy source without relying on long-chain fatty acids[2].

2. Medical Management

In addition to dietary interventions, medical management may include:

  • Carnitine Supplementation: For certain fatty-acid oxidation disorders, carnitine supplementation can help improve fatty acid transport into the mitochondria, enhancing energy production and reducing toxic metabolite accumulation[3].
  • Glucose Administration: In acute situations, intravenous glucose may be administered to quickly raise blood sugar levels and provide immediate energy, especially during metabolic crises[1][3].

3. Monitoring and Supportive Care

Ongoing monitoring and supportive care are crucial components of managing fatty-acid metabolism disorders:

  • Regular Follow-ups: Patients should have regular follow-ups with a metabolic specialist to monitor their condition, adjust dietary plans, and manage any complications that may arise[2].
  • Emergency Plans: Families and caregivers should be educated on recognizing signs of metabolic crises and have a clear emergency plan, including when to seek medical attention[1].

4. Genetic Counseling

Since many fatty-acid metabolism disorders are inherited, genetic counseling can be beneficial for affected individuals and their families. This can provide insights into the condition, potential risks for future offspring, and the implications of genetic testing[3].

Conclusion

The management of disorders classified under ICD-10 code E71.39 involves a comprehensive approach that includes dietary modifications, medical treatments, and ongoing monitoring. Each patient's treatment plan should be individualized based on their specific disorder, symptoms, and overall health status. Collaboration with healthcare professionals, including dietitians and metabolic specialists, is essential to optimize care and improve quality of life for individuals affected by these complex conditions.

Related Information

Description

  • Disrupts normal breakdown of fatty acids
  • Impairs enzyme function in fatty acid metabolism
  • Leads to accumulation of fatty acids or metabolites
  • Causes hypoglycemia, muscle weakness, liver dysfunction
  • Involves medium-chain acyl-CoA dehydrogenase deficiency
  • Includes long-chain 3-hydroxyacyl-CoA dehydrogenase deficiency
  • Affects very long-chain acyl-CoA dehydrogenase metabolism

Clinical Information

  • Hypoglycemia occurs due to impaired gluconeogenesis
  • Muscle weakness results from energy deficits
  • Cardiomyopathy leads to heart failure and disease
  • Liver dysfunction causes hepatomegaly and elevated enzymes
  • Neurological symptoms include developmental delays and seizures
  • Chronic fatigue is a common symptom of metabolic disturbances
  • Failure to thrive occurs in infants and children with impaired metabolism
  • Rhabdomyolysis leads to muscle breakdown and kidney complications
  • Elevated plasma free fatty acids indicate impaired oxidation
  • Abnormal acylcarnitine profiles suggest specific metabolic defects

Approximate Synonyms

  • Fatty Acid Oxidation Disorders
  • Disorders of Fatty Acid Metabolism
  • Inborn Errors of Metabolism
  • Acyl-CoA Dehydrogenase Deficiency
  • Medium-Chain Acyl-CoA Dehydrogenase Deficiency (MCADD)
  • Metabolic Disorders
  • Lipid Metabolism Disorders
  • Ketotic Hypoglycemia
  • Carnitine Deficiency
  • Mitochondrial Disorders

Diagnostic Criteria

  • Thorough medical history
  • Clinical symptoms of hypoglycemia, muscle weakness
  • Family history of metabolic disorders
  • Acylcarnitine profile blood test
  • Elevated acylcarnitines in blood
  • Fatty acid profile blood test
  • Organic acids test urine test
  • Molecular genetic testing for mutations
  • Exclusion of other conditions and diseases

Treatment Guidelines

  • High-Carbohydrate Low-Fat Diet
  • Frequent Meals to Maintain Stable Blood Glucose
  • Supplementation with Medium-Chain Triglycerides (MCTs)
  • Carnitine Supplementation for Fatty-Acid Oxidation Disorders
  • Glucose Administration in Acute Situations
  • Regular Follow-ups with Metabolic Specialist
  • Emergency Plans for Metabolic Crises

Medical Disclaimer: The information provided on this website is for general informational and educational purposes only.

It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with questions about your medical condition.