Manganese, RBC and Plasma

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Turnaround Time: 3 - 7 days
CPT Code:


Test Type: 3 mL each plasma and packed RBCs
Stability Time:



Room temperature

14 days


14 days


14 days

Freeze/thaw cycles

Stable x3

Reference Range:

Plasma: <2.0 ng/mL; RBC: 11.0-23.0 ng/mL


Evaluate manganese stores.

Collection Details:

Collection Instructions:

Royal blue-top (EDTA) metal-free tube; metal-free transfer tubes.

Both packed cells and plasma are required. Separate before shipping. Failure to separate may cause rejection due to hemolysis of red cells and contamination of the plasma. Transfer RBCs and plasma into separate plastic, acid-washed, trace metal-free tubes. Specimen must be received at the testing facility within five days of collection.

Room temperature.