Test Code LAB67 Vitamin B₁₂ Assay

Intended Use

Used for the quantitative determination of Vitamin B12 in human plasma to evaluate deficiencies

Chemiluminescent Immunoassay

RCH-SPH

Preferred Sample Type: Plasma (heparinized)

Container/tube: Light green/mint top (lithium heparin) tube

Acceptable Sample Type: Serum

Container/tube: Plain, red-top or gold, serum or gel tube

Specimen Volume: 1.0 mL (minimum volume 0.55 mL)

Collection Instructions: Avoid hemolysis. Forward promptly.

Ambient: 8 hours

Refrigerated (preferred): 24 hours

Frozen (< -20C): >24 hours (thaw only once)

Monday through Sunday

82607