| Test Name: |
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Calcium, Ionized, Whole Blood
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| Test Code(s): |
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WBICA / HCWBICA
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| CPT Code(s): |
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82330
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| Methodology: |
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Ion Selective Electrode
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| Request Form: |
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UWHC DOWNTIME Laboratory Request Form (UWH IPDOWNTIME, 4004202); Write in test if not on form.
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| Days Performed: |
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Daily, 24 hours.
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| Turnaround Time: |
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Stat: Up to 30 minutes. All requests processed stat.
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Specimen Requirements
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| Specimen: |
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Arterial, venous, or capillary
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| Patient Preparation: |
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None. For venous samples on outpatients, send patient to UWHC Outpatient Phlebotomy to be drawn.
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| Collection Instructions: |
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Radiometer "PICO"® syringes must be free of bubbles and clots. Two full Radiometer capillaries free of air bubbles and clots are needed for capillary blood. Do not use green top (Lithium or Sodium Heparin) tubes.
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| Collection Container: |
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Preferred: Radiometer PICO® syringe
Also Acceptable:
2 full Radiometer capillary tubes
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| Collection Volume: |
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Preferred: 1.5 mL
Pediatrics: 0.5 mL
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| Sample Analyzed: |
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Whole Blood
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| Volume Required: |
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Preferred: 1.5 mL
Pediatrics: 0.5 mL
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220) immediately.
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| Unacceptable Criteria: |
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Clotted specimens, or specimens past stability time are not acceptable.
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| Stability: |
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Ambient: 2 hours
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Interpretation
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Reference Interval:
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30 days and up: 4.90-5.60 mg/dL
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| Critical Calls: |
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View
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