CALCIUM, serum (087-0129)
Synonyms: Ca
CPT 4 Code: 82310
Test Order Mnemonic: CA
Lab: Clinical Chemistry
Request Form: Routine Chemistry Form 1
Collection: Routine venipuncture
Storage Instructions: Centrifuge the specimen to
separate serum from cells within 2 hours of collection. Store refrigerated at 2-8°C.
Causes for Rejection: Gross Hemolysis
Availability: Samples are received 24 hrs per day at
Sample Management, Room 5.136 McCullough.
Turnaround Time: Routine: 4 hours; STAT: 1 hour.
Specimen: Blood
Volume: 7 mL blood
Minimum Volume: 0.5 mL serum
Container: SST (gel barrier) or red-topped tube
Reference Ranges: Newborn to 1 year: 7.8-11.2 mg/dL;
1 year to 150 years: 8.6-10.6 mg/dL
Critical Values: < 6.0 mg/dL or > 13.0 mg/dL
