ZINC RBC

Specimen Required
Draw blood in a dark blue EDTA tube. Centrifuge and send 0.5 RBCs (0.3 mL minimum) refrigerated 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.

Methodology
Inductively Coupled Plasma/Mass Spectrometry

Stability
Room Temperature: 7 days; Refrigerated: 7 days; Frozen: Unacceptable

Reference Range
9.0-14.7 mg/L

Performed
Tuesday-Saturday

Turnaround Time4-6 days
Test CodeZNRBC
CPT-4 Code (s)
84630
LOINC Codes
5761-2

Warde
Medical
Laboratory