Test Code LAART L-Lactic Acid, Arterial, Blood
Methodology
Amperometry
Performing Laboratory
St. Clair Hospital Laboratory
Specimen Requirements
Specimen must arrive within 1 hour of draw.
1 dark green-top (lithium heparin) tube (7 mL of lithium heparin whole blood). Invert several times to mix blood. Unspun blood should be placed on wet ice and transported immediately. Avoid hemolysis.
Reference Values
0.5-1.6 mEq/L
Critical value (automatic call-back): >3.0 mEq/L
Day(s) Test Set Up
Monday through Sunday