Austin Pathology

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Calcium - Ionised (Blood)

Alternate Names
ICA, Calcium Ionised Level, Ionised Calcium
Test Code
ICA
Testing Laboratory
Biochemistry
Specimen Type

Blood

Container Type

Serum tube (Red Cap w. Yellow Insert) - DEDICATED

Container Image
Medicare Rebate

Yes

Out of Pocket Costs
None
Ordering Information

Ionised Calcium can be tested on i-STAT under the Chem 8 panel. Please refer to Chem 8 Profile - ISTAT for further testing details.

Collection Instructions

Instructions for: Metropolitan & Regional Outpatient Collections Staff

  • Please collect 1x DEDICATED Serum Tube (Red Cap w. Yellow Insert)
  • It is essential that serum tubes are not under-filled and the cap is NOT removed until analysis. Serum samples for ionised calcium do NOT require transport on ice.
  • Please note that ionised calciums are also reported on blood gas samples BUT where iCa is specifically requested, serum remains the preferred sample type.

Instructions for: Inpatient Collections Staff

Transport Instructions
Transport ambient at room temperature
Storage Instructions
Store refrigerated at 4°C
Testing Frequency
As Required
Min Test Volume
2mL
Add On Test Suitability

Add ons for this test cannot be performed.

Container ID
S, SP, SPI
Laboratory Instructions

Instructions for: Metropolitan & Regional Specimen Receptions

  • Treat all samples as urgent. Centrifuge immediately. Do not remove sample top until ready to analyse on blood gas machine. Please note that if there are other tests requested on same serum tube, ionised calcium MUST be performed first.
Accredited Test
Yes