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Test Name:Calcium  
Epic Order Code:LAB53  
CPT Code:82310  
Specimen(s) Type:Plasma or Serum  
Acceptable Container(s):Tops are light green and gold.
Testing Schedule:24 hrs/day, 7 days/week
Turn Around Time:STAT: 1 hour  
 Routine: 2 hours  
Collection Information:No special patient preparation is required. Obtain specimen by standard collection procedures.
Transport Information:Deliver to lab immediately. All specimens must be signed into the laboratory.
Reference Clients:If unable to deliver to the lab within 1 hour, centrifuge the specimen and remove plasma/serum from the red cells. Store and transport at 2-8° C. Specimen must be received in the lab within 24 hours.
Causes for Rejection:Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport.
Reference Range:8.6 - 10.2 mg/dL 
Additional Information:Test included in BMP, CMP and Renal Panel. Intravenously administered contrast media for MRI (Magnetic Resonance Imaging) contain chelating complexes which may interfere with the determination of calcium. A sharp decrease in calcium values was observed when gadodiamide (GdDTPA-BMA) was administered. Follow the instructions of the manufacturer with regard to the retention time of the contrast medium.