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IDEXX VetTest* Chemistry Analyzer Operator’s Manual
Lactic Acid (LAC)
Lactate is produced by anaerobic metabolism of glucose and its concentration
depends on relative rates of production in muscle cells and erythrocytes and
metabolism in the liver.
Principal reason for performing the test:
Elevated lactate levels usually are caused by overproduction or undermetabolism.
They result from tissue hypoxia, diabetes mellitus, malignancies, ethanol or methanol
ingestion, and metabolic acidosis.
Most common abnormality indicated by the test
While the presence of lactate does not indicate any particular disease, elevated
amounts of lactate are an indicator of significant metabolic derangement.
Sample type and precautions:
Use samples collected in a fluoride oxalate tube. (Can also use lithium heparin tube if
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Complementary tests:
Electrolytes and blood gases, CBC, clinical chemistry profile and urinalysis
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