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Also known as: Lactic Acid
Formal name: Lactate
Related tests: Blood gases; Pyruvate

At a Glance

Why Get Tested?

To help detect hypoxia and other diseases that cause excess production or reduced removal of lactate from the blood

When to Get Tested?

If you have symptoms such as rapid breathing, sickness, and sweating that suggest a lack of oxygen or an acid/base imbalance; if your doctor suspects that you may have an inherited metabolic or mitochondrial disorder

Sample Required?

A blood sample taken from a vein in your arm; sometimes a blood sample collected from an artery and, rarely, a sample of cerebrospinal fluid collected from the spine

Test Preparation Needed?

Fasting may or may not be required. Ask your doctor. You may also be told not to exercise for a period of time before this test.