Calcium, Ionized WB


Test ID/Workstation: ICAWB MBG1

Specimen Type: Blood

Tube Type: Heparinized syringe, Green top (lithium heparin) vacutainer, dark green vacutainer

Collection Volume: 0.5 mL microtainer or syringe; (2) uL capillary tubes

Cause for rejection: Clotted, specimen not sent on ice, air bubbles

Storage: On ice

Availability: Daily, 24 hours; STAT

Methodology: Direct Measurement using ion-selective electrode

Special Instructions: Place specimen on ice and deliver to lab immediately.

If drawn off-site from MV lab, Call a STAT courier for delivery to lab. Specimen is only stable for 1 hour.

Lab/Phone: 330-746-9623

TAT: 30 minutes

Additional Info: Reference range: Ca++ = 4.60-5.28 mg/dL; pH = 7.35-7.45

CPT Code: 82330

Requisition Form
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330-543-1000 (operator)

(8 a.m.-4:30 p.m.)


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