Laboratory test guide

Micronutrient, Vitamin B1 (Thiamine), Blood

Available through Quest Diagnostics

Vitamin B1 (Thiamine)Vitamin B1, also known as Thiamine, is essential for breaking down amino acids and carbohydrates in our body. A lack of Vitamin B1 is commonly seen in people with alcoholism or chronic…

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Vitamin B1 (Thiamine),Blood, LC/MS/MS

Quest Diagnostics
1 test optionFrom $80.68View tests ↓Close ↑

Micronutrient, Vitamin B1 (Thiamine), Blood

Quest Diagnostics

Details

Listed markers: Vitamin B1 (Thiamine), Blood

Fasting: Yes

Results should be available in 2 - 5 business days after the sample is collected

Minimum age: 18 Not available in: HI, PR, NJ, NY, RI

Related options may differ in markers and method; confirm with your clinician. Final prices and fees are confirmed before ordering.

SpecimenWhole blood
Patient price$80.68
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What this laboratory test evaluates

Vitamin B1 (Thiamine)Vitamin B1, also known as Thiamine, is essential for breaking down amino acids and carbohydrates in our body. A lack of Vitamin B1 is commonly seen in people with alcoholism or chronic illnesses. Early signs of Vitamin B1 deficiency include loss of appetite, irritability, lack of interest, and general weakness. If not addressed, it can lead to a condition called beriberi.

Who needs this test?This test is recommended for individuals showing symptoms of Vitamin B1 deficiency or those at risk due to alcoholism or chronic illnesses.

Symptoms of Vitamin B1 Deficiency:• Loss of appetite
• Irritability and apathy
• General weakness
• Severe deficiency can lead to beriberi

What type of sample is required for this test?2 mL of whole blood collected in an EDTA (lavender-top) tube, and it's important to keep the sample protected from light.

Test Resources:For more information, please consult your healthcare provider.

Additional test information

Vitamin B1 is required for branched-chain amino acid and carbohydrate metabolism. Vitamin B1 deficiency is most often due to alcoholism or chronic illness. In the early stage, patients with vitamin B1 deficiency exhibit anorexia, irritability, apathy, and generalized weakness. Prolonged deficiency causes beriberi.

Collection and processing

  • Sample type: Whole blood
  • Fasting: Yes
  • Estimated laboratory processing: Results should be available in 2 – 5 business days after the sample is collected

How Sunridge uses laboratory information

Sunridge considers the medical question, symptoms, history, medications, prior results, and whether the finding could change care before recommending testing. A laboratory result is not interpreted in isolation and does not establish a diagnosis by itself.

Before requesting this test

Availability, collection requirements, eligibility, and processing estimates can change. Sunridge reviews each request and, when appropriate, creates the order through Fullscript. Follow the current instructions supplied with the approved order.

Related Sunridge care

Learn how Sunridge approaches Complex Multi-System Illness and ask whether this test is appropriate for your clinical question.

About this test

Vitamin B1 (Thiamine)Vitamin B1, also known as Thiamine, is essential for breaking down amino acids and carbohydrates in our body. A lack of Vitamin B1 is commonly seen in people with alcoholism or chronic illnesses. Early signs of Vitamin B1 deficiency include loss of appetite, irritability, lack of interest, and general weakness. If not addressed, it can lead to a condition called beriberi.

Who needs this test?This test is recommended for individuals showing symptoms of Vitamin B1 deficiency or those at risk due to alcoholism or chronic illnesses.

Symptoms of Vitamin B1 Deficiency:• Loss of appetite
• Irritability and apathy
• General weakness
• Severe deficiency can lead to beriberi

What type of sample is required for this test?2 mL of whole blood collected in an EDTA (lavender-top) tube, and it's important to keep the sample protected from light.

Test Resources:For more information, please consult your healthcare provider.

Additional details

Vitamin B1 is required for branched-chain amino acid and carbohydrate metabolism. Vitamin B1 deficiency is most often due to alcoholism or chronic illness. In the early stage, patients with vitamin B1 deficiency exhibit anorexia, irritability, apathy, and generalized weakness. Prolonged deficiency causes beriberi.

Highlighted health areas

  • Metabolic function
  • Nutrition

Biomarkers and report focus

The exact analytes and report format can change. Confirm the current contents in the Fullscript order before payment.

  • Vitamin B1 (Thiamine), Blood

Important laboratory-testing information

This article is educational and does not diagnose a condition, establish medical care, or replace professional advice. Test availability, contents, pricing, eligibility, specimen instructions, and processing estimates can change. Sunridge must review the request and create an appropriate Fullscript order before payment. Follow the current instructions in your Fullscript account and laboratory kit, and discuss urgent or worsening symptoms with an appropriate medical professional.

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