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E51: ICD10 Code for Thiamine deficiency

Claire Dave
Dr. Claire Dave

A physician with over 10 years of clinical experience, she leads AI-driven care automation initiatives at S10.AI to streamline healthcare delivery.

TL;DRQuickly find the correct ICD-10 code for thiamine deficiency (Wernicke-Korsakoff syndrome & other manifestations). Avoid coding errors & ensure proper reimbursement.

Expert Verified
Medical Codes 1 min read·Aug 30, 2025

What is the ICD-10 Code for Thiamine Deficiency?

The ICD-10 code for thiamine deficiency is E51.1. This code specifically refers to nutritional deficiency of thiamine, excluding beriberi, which is coded separately as E51.2. Clinicians should be careful to use the appropriate code based on the patient's presentation. The World Health Organization's ICD-10 browser offers more detail on the code classifications.

How Does Thiamine Deficiency (E51.1) Differ from Wernicke's Encephalopathy and Korsakoff's Syndrome?

While Wernicke's encephalopathy and Korsakoff's syndrome are often caused by thiamine deficiency, they are not directly coded as E51.1. Wernicke's encephalopathy is coded as E51.2 (Beriberi) with further specification using G32.8 (Other specified degenerative diseases of nervous system). Korsakoff's syndrome is coded as F10.6 (Mental and behavioural disorders due to use of alcohol, Korsakoff's psychosis). The National Institute on Alcohol Abuse and Alcoholism (NIAAA) provides in-depth information regarding these conditions and their relationship to thiamine deficiency. Consider implementing a thorough neurological assessment for patients presenting with potential thiamine deficiency to differentiate between these conditions. S10.AI can help streamline the documentation of these complex neurological findings within any EHR system.

Can S10.AI assist with documenting Thiamine Deficiency (ICD-10: E51.1)?

Yes, S10.AI can assist with documenting thiamine deficiency and related conditions within any EHR system thanks to its universal integration capabilities. It can accurately capture the clinical findings, assist in choosing the correct ICD-10 codes (like E51.1), and facilitate detailed documentation of associated symptoms and treatments. This frees up clinician time and reduces documentation burdens. Explore how S10.AI can improve your documentation efficiency and accuracy.

What are the Common Symptoms Associated with Thiamine Deficiency (E51.1)?

Thiamine deficiency can present with a range of symptoms, from mild fatigue and irritability to severe neurological complications. Early symptoms may include loss of appetite, weight loss, and confusion. More severe symptoms can include muscle weakness, peripheral neuropathy, and cardiovascular issues. The U.S. National Library of Medicine's MedlinePlus resource offers a comprehensive overview of the symptoms of thiamine deficiency. Learn more about how early detection of these symptoms can prevent serious complications.

How is Thiamine Deficiency Diagnosed and Managed in Clinical Practice?

Diagnosing thiamine deficiency often involves a combination of physical examination, assessment of dietary history, and laboratory testing to measure thiamine levels in the blood. Management focuses on thiamine replacement therapy, usually administered orally or intravenously depending on the severity of the deficiency. The journal Nutrients publishes research and review articles related to nutrient deficiencies including thiamine. Consider implementing a standardized protocol for thiamine deficiency assessment and management in your practice. S10.AI can be integrated into the workflow to facilitate tracking of thiamine levels and treatment response within the patient's EHR.

What are the Long-Term Complications of Untreated Thiamine Deficiency (E51.1)?

Untreated thiamine deficiency can lead to serious complications, including Wernicke-Korsakoff syndrome, a debilitating neurological disorder characterized by memory loss and confusion. It can also cause heart failure and peripheral neuropathy. The Mayo Clinic provides valuable information regarding the diagnosis and treatment of Wernicke-Korsakoff Syndrome. Explore how early intervention and appropriate management can mitigate the risk of these long-term complications.

What Role Does Nutrition Play in Preventing Thiamine Deficiency (E51.1)?

A balanced diet rich in thiamine-containing foods is crucial for preventing thiamine deficiency. Foods such as whole grains, legumes, pork, and enriched cereals are good sources of thiamine. The National Institutes of Health (NIH) Office of Dietary Supplements provides detailed information on dietary sources of thiamine. Consider implementing patient education initiatives focusing on healthy dietary choices to prevent thiamine deficiency.

How Does Alcoholism Contribute to Thiamine Deficiency (E51.1)?

Chronic alcohol abuse is a major risk factor for thiamine deficiency due to its interference with thiamine absorption and utilization. Individuals with alcoholism often require thiamine supplementation. The American Addiction Centers website provides information on the link between alcoholism and nutritional deficiencies like thiamine deficiency. Consider implementing screening for thiamine deficiency in patients with a history of alcohol abuse. S10.AI can assist in flagging these high-risk patients within the EHR and prompt clinicians to consider thiamine supplementation.

What are the Recommended Dietary Allowances (RDAs) of Thiamine?

The recommended dietary allowance of thiamine varies depending on age and sex. Adult men generally require 1.2 mg/day, while adult women require 1.1 mg/day. The NIH Office of Dietary Supplements publishes the RDAs for thiamine and other essential nutrients. Explore how integrating dietary assessments into routine patient care can help identify individuals at risk of thiamine deficiency.

Thiamine Deficiency and Pregnancy: What are the Specific Considerations?

Thiamine is essential for fetal brain development. Pregnant and lactating women have increased thiamine requirements. The American College of Obstetricians and Gynecologists (ACOG) offers guidance on nutritional needs during pregnancy and lactation. Consider implementing routine thiamine supplementation for pregnant and breastfeeding women, particularly those at risk of deficiency.

Comparing Thiamine Deficiency (E51.1) with Other Nutritional Deficiencies

Nutrient Deficiency ICD-10 Code Key Symptoms
Thiamine (B1) E51.1 Fatigue, weakness, confusion
Riboflavin (B2) E51.6 Cracked lips, sore throat, skin inflammation
Niacin (B3) E52 Diarrhea, dementia, dermatitis

Understanding the differences between various nutritional deficiencies is crucial for accurate diagnosis and treatment. Explore online resources like the Merck Manual Professional Version for more detailed information about other nutritional deficiencies and their respective ICD-10 codes.

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