Specimen:
Collect
- One Royal Blue (EDTA)
Submit
- 2 mL (Min:0.5 mL) Red Blood Cells in Royal Blue (EDTA). Submit Refrigerated.
Also Acceptable:
- 2 mL (Min:0.5 mL) Red Blood Cells in Trace Element Free Tube. Submit Refrigerated.
Special Handling
- Centrifuge whole blood and separate plasma from RBCs within 2 hours of collection. Transfer 2 mL RBCs to an ARUP Trace Element-Free Transport Tube or transport RBCs in the Royal Blue (EDTA) collection tube .
Rejection Criteria
- Clotted Specimen
- Hemolyzed specimens
- Specimen submitted frozen
Stability
Ambient: 1 Week(s); Refrigerated: 1 Week(s); Frozen: Unacceptable; Incubated: Unacceptable
Methodology
- Quantitative Inductively Coupled Plasma-Mass Spectrometry
Performed
Sun-Sat
Reported
2-5 Day(s)
CPT Codes
- 83735
Components
- 9669 - MAGNESIUM, RBC
Last Updated: February 7, 2025 @ 10:13 am
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