Test Details

Mnemonic

MGRBC

Ordering Code

3700770

CPT-4 Code(s)

83735

Specimen Information

Patient Preparation

Patient should refrain from taking vitamins or mineral herbal supplements for at least one week before sample collection.

Collect

Dark blue EDTA

Specimen Preparation

Centrifuge, separate, remove plasma and send 0.5 mL RBC's refrigerated in a Quest trace element blood transport tube (lavender label). Please label tube "Packed RBC's".
RBCs may also be sent in the original dark blue EDTA tube after plasma has been removed. Please label "RBCs".

Alternate Specimen

Packed cells EDTA lavender top tube
Whole blood EDTA lavender top tube 1.0 mL
Whole blood EDTA dark blue tube 1.0 mL

Minimum Volume

0.2 mL RBC's

Transport Temperature

Refrigerated

Stability

Packed cells:
Room temperature: 7 days
Refrigerated: 7 days
Frozen: Unacceptable

EDTA Whole blood:
Room temperature: 4 days
Refrigerated: 7 days
Frozen: Unacceptable

Methodology

Quantitative Inductively Coupled Plasma/Mass Spectrometry
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Reference Range

4.0 - 6.4 mg/dL
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Performing Laboratory

Quest Valencia
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