Lactic Acid, Plasma

What it measures

• Lactic Acid, PlasmaLOINC 14118-4

Before the visit

Sample should be collected without the use of a tourniquet; avoid hand-clenching. If a tourniquet has been used, it should be released for one minute prior to drawing blood. Collected blood should be cooled on ice immediately and separated from the cells within 3 hours.

Specimen

Specimen

2 mL frozen plasma from a gray-top tube

Minimum volume

0.5 mL

Container

Transport tube

Temperature

Frozen

The collected blood should be well-mixed and separated from the cells within 3 hours. Freeze plasma and ship frozen. The assay manufacturer, Roche, notes that N-acetylcysteine, when administered in high concentrations (such as for treatment of acetaminophen overdose), can interfere with their assay for Lactate (Lactic Acid), leading to falsely low results.

Turnaround

Set up: Mon-Fri; Report available: 5 days

Billing

CPT 83605