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Test Code LAB95 Lactic Acid

Important Note

  • Patient should avoid exercise of the hand or arm immediately before and during specimen collection.
  •  Venous specimen should be obtained without the use of a tourniquet, or immediately after a tourniquet has been applied.
  • Keep specimen on ice after collecting, centrifuge as soon as possible, and immediately remove plasma from red blood cells. 

Specimen Requirements

1 ml plasma collected in a grey top tube (sodium fluoride/potassium oxalate) on ice. 

Avoid hemolysis 

Specimen Stability

3 days at -20° C

Testing Schedule

Daily

Reference Range

0.50-2.20 mmol/L

Urgent value for Sepsis patients: greater than or equal to 2.0 mmol/L

Testing Department

Chemistry

Method

Lactic Acid to Pyruvate 

CPT Code

83605