Manganese, RBC and Plasma

CPT: 83785
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Test Details


Evaluate manganese stores


Inductively coupled plasma/mass spectrometry (ICP/MS)

Reference Interval

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

Specimen Requirements


Packed RBCs and plasma


3 mL each plasma and packed RBCs


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.

Storage Instructions

Room temperature

Stability Requirements



Room temperature

14 days


14 days


14 days

Freeze/thaw cycles

Stable x3

Causes for Rejection

Failure to separate plasma and red cells; specimen received more than five days after collection


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
790540 Manganese, Plasma and RBC 790543 Manganese, Plasma ng/ml 5683-8
790540 Manganese, Plasma and RBC 790544 Manganese, RBC ng/ml 5682-0

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