Calcium

Pathology category

Biochemistry

Code

CA

Referral code

Request form

Test information

Included in bone profile

Guidelines

Pre-analytical

Reference range

≤30days: 2 – 2.7 mmol/L
≥ 16Y: 2.2 – 2.7 mmol/L
>16Y: 2.2 – 2.6 mmol/L

Source: Pathology harmony ranges

Tube type

Tube type info

Adults: 5ml Serum SST (gold top)

Paediatrics: 0.5ml lithium/heparin (orange top)

Special requirements

Minimum volume

Adults: 0.5 ml

Paediatrics: 0.1 ml

Assay frequency

Run daily at local laboratory

TAT Inpatient (urgent)

1.5 hrs

TAT Inpatient

4 hrs

TAT GP/Outpatient

24 hrs

Referral lab

Local, Clinical Biochemistry