Calcium, fluid
Alternate test name
Lab area
Clinical Biochemistry - General
Method and equipment
Equipment : Roche Cobas Pro c503
Method : Calcium ions react with 5‑nitro‑5’‑methyl‑BAPTA (NM-BAPTA) under alkaline conditions to form a complex. This complex reacts in the second
step with EDTA. The change in absorbance is directly proportional to the calcium concentration and is measured photometrically.
Expected turn-around time
STAT/ Urgent: 4 Hours
Routine: 24 Hours
Shipping information
Background and clinical significance
Browse tests by laboratory
Customer Service
Toll Free: 1-855-381-3212
Local: 416-813-7200

