Ionised Calcium, Serum

Department

Core Biochemistry

Delphic Registration Code

ICA

Laboratory Handling

Phlebotomy

1 x plain (red) Sample must be kept anaerobic. Transport on ice to laboratory

Registration

Send sample on ice to separating

Synonyms

calcium, ionised
iCa, serum

Turnaround Time

2 hours

Test Code

4209

Specimen Type

• Serum

Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Preferred Sample Volume (ml)

4.0

Additional Specimen Information

Pre-Testing Requirements:
Forearm exercise with the tourniquet in place and removal of the tourniquet before the collection device is full will significantly affect iCa results.
Gross haemolysis has been reported to clinically significantly lower the iCa result
Benzalkonium heparin (may be used in arterial catheters) can elevate the results by up to 0.6 mmol/L.

Sample must be kept anaerobic, transport on ice to laboratory

Aliquot Instructions

Sample Type

• Serum

Minimum Volume (ml)

1.0

Transport to Lab

Chilled (2 - 8 degrees Celsius)

Additional Referral/Aliquot Information

Aliquot Instructions - 1mL serum into syringe for ICA
Send to lab on ice in leak proof capped syringe.

Reference Intervals

1.13 – 1.26 mmol/L

Test Method

Radiometer ABL 90

Non-Funded Test Cost

$24.50 (Exclusive of GST)

Billing Code

3002

Ionised Calcium replaces ultrafiltrable calcium which is no longer offered.

Please note change to reference range from 26/10/05. This can be referenced to the CHLabs electoral roll study 2005 - data on file at CHLabs.

Contact Information

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