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Vanderbilt Pathology Laboratory Services

Test Directory



CALCIUM BLOOD (CA)

Department: Chemistry
Test Synonym(s): CA
CPT Codes: 82310
Methodology: Ion Specific Electrode
Reference Range: Premature: 6.2-11.0 mg/dL; 0 to 10 days: 7.6-10.4 mg/dL; 10 days to 24 mos: 9.0-11.0 mg/dL; 2 yrs to 12 yrs: 8.8-10.8; 12 yrs to 150 yrs: 8.4-10.5 mg/dL; Comment < 10 days: Premature reference range is 6.2 - 11.0 mg/dL
Tube Type: Light green PST (Lithium Heparin with gel) tube - 4.5 mL
Specimen: Plasma
Alternate Specimen: Red top tube - 5 mL
Pediatric Requirements: 2 microtainers
Volume: 2 mL plasma
Minimum Volume: 0.5 mL plasma
Temperature: Separate within one hour and store at ambient temperature until delivery.
Stability: < 3 days at 2-8 C; 6 months at -20 C
Reasons for Rejection: Hemolysis, improper collection
Days Performed: Daily
Times Performed: Continuous
TAT: STAT: 1 hour; ROUTINE: 2 hours after receiving in lab

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