A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
CALCIUM, IONIZED, SERUM OR PLASMA
MessageSample MUST remain capped - do not open. Cannot add on this test to a previously drawn sample.
Test Code
CALCI
CPT Codes
82330
Preferred Specimen
1 Gold tube (gel separator)
Minimum Volume
0.25 mL
Other Acceptable Specimens
or 1 Green tube (Lithium Heparin)
Instructions
Centrifuge for complete separation of serum and red cells.
Transport Temperature
Refrigerate
Specimen Stability
Refrigerate up to 2 days; otherwise freeze
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
The following conditions will result in a rejected sample:
- Hemolyzed samples
- Aliquoted samples - do not open tube
Methodology
ISE (Ion Selective Electrode)
Setup Schedule
M, T, W, Th, F, Sa, Sun
Reference Range
4.5 - 5.4 mg/dL
Clinical Significance
Half of the serum calcium is metabolically active and called ionized calcium. Ionized calcium is measured when other factors complicate the interpretation of the normal serum calcium test.
Performed By
Alverno Laboratories
Performing Laboratory
Alverno Central Lab
NCH10 (Chemistry, Nova Biomedical)
Last Updated: April 25, 2023