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Lab Dept:
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Chemistry
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Test Name:
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IONIZED CALCIUM, PUMP
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General Information
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Lab Order Codes:
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PICA
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Synonyms:
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Calcium, Ionized, Blood, ICa
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CPT Codes:
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82330 – Calcium; ionized
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Test Includes:
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Ionized calcium reported in mEq/L.
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Logistics
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Test Indications:
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Useful for determining the ionized calcium of the pump prime solution prior to certain procedures such as ECMO or heart surgery.
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Lab Testing Sections:
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Chemistry
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Phone Numbers:
Minneapolis:
Saint Paul:
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612-813-6280
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651-220-6550
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Test Availability:
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Daily, 24 hours
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Turnaround Time:
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30 minutes
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Special Instructions:
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For use by ECMO/heart surgery only. Specimen may be tested at the bedside by POCT, or forward promptly to the lab at ambient temperature.
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Specimen
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Specimen Type:
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Whole blood
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Container:
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Preferred: Sims Portex® syringe (PB151) or Smooth-E syringe (956-463)
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Draw Volume:
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0.4 mL blood
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Processed Volume:
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0.2 mL blood
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Collection:
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Specimen is collected from the ECMO Pump.
Draw in an electrolyte-balanced heparin blood gas syringe. Immediately remove all air form syringe, remove needle, cap tightly, and mix. Send specimen in original tube. Forward promptly at ambient temperature only. Do not expose the specimen to air.
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Special Processing:
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Lab Staff: Do not centrifuge. Specimen should be delivered to blood gas workstation for analysis and analyzed within 30 minutes of collection.
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Patient Preparation:
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None
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Sample Rejection:
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Clotted specimen, mislabeled or unlabeled specimens, sample containing air
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Interpretive
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Reference Range:
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Undetermined
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Critical Values:
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N/A
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Limitations:
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N/A
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Methodology:
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Ion-Selective Electrode (ISE)
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Contraindications:
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This test is not indicated for evaluation of patient ionized calcium.
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References:
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Children’s Hospitals and Clinics, October, 2004
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