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Lab Test Dictionary

Magnesium, RBC (623)

Methodology

Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)


Specimen Type

Whole Blood

Performing Lab

Quest Diagnostics Valencia


Epic ID

LAB07732

Lab Test Days

Tuesday-Saturday

Standard TAT

4-5 Days


Collection Information

Specimen Required

1-2 mL Whole Blood

Container Type

Lavender (EDTA)

Collection Instructions

Patient should refrain from taking vitamins or mineral herbal supplements for at least one week before sample collection. Whole blood collected in an EDTA (royal blue-top) tube is also acceptable.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-Only

Specimen Stability

Room Temp=4 Day (7 Days for EDTA packed cells); Refrigerated=7 Days; Frozen:Unacceptable

Test Volume Required

2 mL Whole Blood or 0.5 mL RBC'S

Minimum Test Volume

1 mL Whole Blood or 0.2 mL RBC's

Processing Instructions

To send RBC'S: Centrifuge to separate plasma from RBC's and discard plasma. Transfer RBC's to a plastic screw capped vial or a trace element/metal free vial.


CPT Codes

83735


Revised

04-26-20

Initials

SL