Test Code LAB6080 Magnesium, Obstetrics

Intended Use

Order this test for testing if OB patient is receiving magnesium

Photometric/Bromcresol Green

RCH

Preferred: Plasma (heparinized)

Container/tube: LT Green/mint top (lithium heparin) tube

Acceptable: Serum

Container/tube: Plain red or gold gel tube

Specimen Volume: 1 mL (minimum 0.1 mL)

Collection Instructions: Avoid hemolysis. Forward promptly.

Refrigerated: 1 week

Frozen: -20 C for 1 month

Monday through Sunday

83735