ZINC RBC

Specimen Required
Draw blood in a dark blue EDTA tube. Centrifuge and separate RBCs into an acid washed plastic screw cap vial within 2 hours of collection. Send 0.5 RBCs (0.3 mL minimum) refrigerated.

Alternate Specimen
RBCs: Dark blue sodium heparin, lavender EDTA, green sodium or lithium heparin. Transport RBCs in acid-washed plastic screw-cap vial.

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
Sunday, Wednesday, Friday

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

Warde
Medical
Laboratory