Test Code LAB103 Magnesium
Intended Use
Used in the diagnosis and treatment of hypomagnesemia and hypermagnesemia
Methodology
Colorimetric
Performing Laboratory
RCH-SPH-STH-LDH-CUH
Specimen Requirements
Preferred: Plasma (heparinized)
Container/tube: Lt Green/Mint top (lithium heparin) tube
Acceptable: Serum
Container: Plain, red-top or gold, serum gel tube
Specimen Volume: 1.0 mL (minimum volume 0.11 mL)
Collection Instructions: Avoid hemolysis. Forward promptly.
Specimen Stability
Refrigerated: 1 week
Frozen: -20C for 1 month
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
83735