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Magnesium, RBC (QST)

eDH Procedure Code

LAB3500 Magnesium, RBC —LAB ONLY

Collection Information

Packed RBCs or Whole Blood in EDTA.

Specimen Information

Specimen Type Specimen Source Acceptable Containers Minimum Test Volume (mL)
Blood Blood, Venous Lav4-R 0.5

Shipping and Handling

Processing Instructions: Packed RBCs: Centrifuge specimen and discard plasma within two hours of collection. Transfer RBCs to a plastic transfer vial. Whole blood: Do not centrifuge.

Transport Temperature: Refrigerated
Transport Instructions: N/A

Specimen Stability Unprocessed
Unprocessed: N/A
Specimen Stability Post Processing
Packed RBC cells:
Room temperature: 7 days
Refrigerated: 7 days
Frozen: Unacceptable

Whole blood:
Room temperature: 4 days
Refrigerated: 7 days
Frozen: Unacceptable

Test Components

Component LOINC Code
MAGNESIUM RBC (QST)

CPT Code(s)

83735

Performing Lab Section

Sendouts

Performing Lab(s)

REF LAB QUEST DIAGNOSTICS