Test Details

Mnemonic

ZNRBC

Ordering Code

3711650

CPT-4 Code(s)

84630

Specimen Information

Collect

Dark blue EDTA

Specimen Preparation

Centrifuge and send 0.5 RBCs in a Quest trace element blood transport tube (lavender label) or remove plasma and send RBCs in original collection tube. Please label "Packed RBCs".

Alternate Specimen

RBCs: Dark blue sodium heparin, lavender EDTA, green sodium or lithium heparin.

Minimum Volume

0.3 mL

Transport Temperature

Refrigerated

Rejection Criteria

Hemolysis, clotted specimens

Stability

Room temperature: 7 days
Refrigerated: 10 days
Frozen: Unacceptable

Methodology

Inductively Coupled Plasma/Mass Spectrometry
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Reference Range

9.0 - 14.7 mg/L
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Performing Laboratory

Quest
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New York DOH Approval Status

No
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