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Test Code N.ICAL CALCIUM, IONIZED

Important Note

Do NOT centrifuge blood tube.

Additional Codes

CAI.WB

WB.CAL.ION.1

Methodology

RADIOMETER Blood Gas Analyzer

Specimen Requirements

Heparinized Whole Blood

Container: Green top Lithium heparin whole blood

Specimen Collection: Tube must be filled to appropriate line

  1. Prolonged tourniquet application and forearm exercise may increase the ionized calcium.
  2. Draw immediately after placing tourniquet on arm and do not have patient open and close hand.
  3. Do NOT centrifuge blood tube.

Specimen Transport/Stability

Room Temp: 10 minutes

Maximum Laboratory Time

24 hours

Reference Ranges

Calcium, Ionized           mmol/L
          1.14 - 1.32

 

 

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

82330