Lactic Acid
The Lactic Acid test measures the level of lactic acid in the blood, which is a substance produced during the metabolism of glucose. Clinicians commonly order this test to assess conditions related to tissue oxygenation and metabolism. It is particularly useful in situations such as diagnosing lactic acidosis, a condition where lactic acid builds up in the bloodstream, often due to issues like sepsis, shock, or intense exercise. The Lactic Acid test helps provide insights into a patient’s metabolic status and can guide treatment decisions.
Test Essentials
Specimen Required
Blood
Test Category
Chemistry
Turnaround Time
Results for the Lactic Acid test are typically available within 24–48 hours after sample collection.
Clinical Information
Clinical Significance
Abnormal results from the Lactic Acid test may indicate various conditions. Elevated levels can suggest lactic acidosis, which may occur in cases of severe infections, shock, or respiratory failure. Conversely, low levels are typically not concerning but can sometimes indicate issues with liver function. It’s important to remember that only a healthcare provider can interpret these results in the context of your overall health and medical history.
Reference Ranges
Reference ranges for lactic acid levels can vary depending on the laboratory and the methods used. Generally, normal levels are considered to be between 0.5 to 2.2 millimoles per liter (mmol/L) in adults, but these ranges can differ based on age, sex, and individual health factors. Always consult with your healthcare provider to understand how your specific results compare to the reference ranges.
Sample Preparation
Before your Lactic Acid test, you may be advised to fast for several hours, typically 8 to 12 hours, to ensure accurate results. It's essential to inform your healthcare provider about any medications you are taking, as some may need to be adjusted prior to the test. In most cases, there are no specific dietary restrictions beyond fasting. Always follow any instructions given by your healthcare provider.
Related Tests
Code: 0212
Code: 0230
Code: P0204
Frequently Asked Questions
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