Lithium
The Lithium test measures the level of lithium in the blood. It is primarily used to monitor patients who are undergoing treatment for bipolar disorder and other mood disorders. Clinicians typically order this test to ensure that lithium levels remain within a therapeutic range, as both low and high levels can have significant effects on mental health. The Lithium test is crucial in adjusting medication dosages and preventing potential side effects or toxicity, making it a vital part of patient management in psychiatric care.
Test Essentials
Specimen Required
3 mL blood (red or gold)
Test Category
Chemistry
Turnaround Time
Results for the Lithium test are typically available within 24–48 hours after sample collection.
Clinical Information
Clinical Significance
Abnormal results in the Lithium test can indicate various conditions. High lithium levels may lead to toxicity, resulting in symptoms like tremors, confusion, or nausea, while low levels may suggest inadequate treatment for mood disorders. The diagnostic value of the Lithium test lies in its ability to guide treatment decisions and monitor patient safety. Remember, only a healthcare provider can accurately interpret your results within the context of your health and treatment plan.
Reference Ranges
Reference ranges for lithium levels can vary based on the laboratory and individual factors such as age and sex. Generally, therapeutic lithium levels are considered to be between 0.6 and 1.2 mEq/L, but it's essential to consult your healthcare provider for the specific reference range applicable to your test. Your provider will interpret your results in the context of your overall health.
Sample Preparation
Before your Lithium test, there are generally no special preparation requirements. However, it's important to inform your healthcare provider about any medications you are taking, as some may need to be adjusted prior to the test. If you're advised to fast or make any changes, your provider will give you specific instructions. Make sure to follow their guidance to ensure accurate results.
Related Tests
Code: 0212
Code: 0230
Code: P0204
Frequently Asked Questions
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