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
Refrigerated: 10 days
Frozen: Unacceptable
Methodology
Inductively Coupled Plasma/Mass Spectrometry
Reference Range
9.0 - 14.7 mg/L
Performing Laboratory
Quest
New York DOH Approval Status
No