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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Calcium, Ionized, Whole Blood, Post Filter

Test Code(s): PFWICA / HCPFWICA

CPT Code(s): 82330

Methodology: Ion Selective Electrode

Request Form: UWHC DOWNTIME Laboratory Request Form (UWH IPDOWNTIME, 4004202); Write in test if not on form.

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: Up to 30 minutes. All requests processed stat.


Specimen Requirements

Specimen: Blood

Collection Instructions: Radiometer "PICO"® syringes must be free of bubbles and clots.

Collection Container: Preferred: Radiometer PICO® syringe

Collection Volume: Preferred: 1.5 mL
Pediatrics: 0.5 mL

Sample Analyzed: Whole Blood

Volume Required: Preferred: 1.5 mL
Pediatrics: 0.5 mL

Specimen Transport: Transport specimen to UWHC Core Laboratory (B4/220) immediately.

Unacceptable Criteria: Clotted specimens, or specimens past stability time are not acceptable.

Stability: Ambient: 2 hours


Interpretation

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