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Test Code CAION Calcium, Ionized, Serum or Whole Blood

Additional Codes

  • Expanse Test Name: Ionized Calcium, WB
  • Medinet Ref Code:CAI
  • OV Code:CHEM*CAION

Performing Laboratory

St. Lukes Hospital Laboratory

Methodology

Electrochemical

Specimen Requirements

Submit only 1 of the following specimens:

 

Serum

Draw blood in a serum gel tube(s). Spin down and send 1 mL of serum in original tube(s). Keep specimen anaerobic. (Do not open tube or transfer).

 

Whole Blood --This specimen type must arrive within 30 minutes of draw.

Draw blood in a green-top (lithium heparin gel) tube or heparinized blood gas syringe.  Minimum volume is 1 mL of heparinized whole blood.  Specimun must be kept anaerobic (Do not open or transfer).  Forward promptly.

Note:  If submitting syringe, expel air bubbles, remove needle, and cap syringe.

Reference Values

1.13-1.32 mmol/L

Interfering Substances:

Salicylic acid interferes with this assay.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

82330

Specimen Transport Temperature

Ambient <24 hours OK/Refrigerate <120 hours (5 days) OK

Physician Office Specimen Transport Temperature

Ambient