Specimen Requirements

Container/Tube: Plain, royal-blue top trace element blood collection tube

Specimen Volume: 1.5 mL (minimum volume: 0.2 mL)

Ship: Ambient

Additional Information: High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.