Laboratory Test Reference Guide

Laboratory Information

Test Name

Calcium

Synonyms

Ca

External Price (excl. GST)

2.63

Specimen Collection

Adult Specimen

Heparin (light green), SST(gold)"T-" labs SST (gold)

Paediatric Specimen

0.3ml Heparin (light green) or plain(red). Rural Waikato Labs 0.3 ml Plain (red)

Test Information

Department

Biochemistry

Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

3 hrs

Method

Cobas Pro NM-BAPTA .Rural Waikato Labs: Vitros XT7600 Arsenaso III dye

Reference interval

1 - 8         days    = 1.70 - 2.80mmol/L
8 days - 1 year    = 2.10 - 2.90mmol/L
>= 1          year    = 2.10 - 2.55 mmol/L

Uncertainty of measurement

±0.05 mmol/L

Additional Information

Avoid stasis as this artifactually raises Calcium. Adjusted Calcium will be automatically performed when a Calcium is requested on a patient >1yr of age.

Minimum Volume

0.1 mL heparin plasma or serum.

Electronic Information

Registration Code

CAL

HL7 mapping code

$CAL

LOINC Code

2000-8