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31400:CALCIUM (Ca), IONIZED, SERUM | |||||||||
Alias Names: | ICA / Cal Free Serum / Free Calcium | ||||||||
Methodology: | Calcium Specific Electrode | ||||||||
Edit Date: | 3/17/2009 | ||||||||
Performed: | Daily | ||||||||
Released: | Same day as tested | ||||||||
CPT Code: | 82330 | ||||||||
Specimen Collection Details | |||||||||
Collection: | One 7.5 mL serum separator tube (SST). | ||||||||
Handling: | Centrifuge with stopper in place within 1 hour of collection. Do no open the tube or split the specimen. | ||||||||
Stability: | Specimen stable 24 hours ambient or 1 week refrigerated. Specimen unstable frozen. | ||||||||
Standard Volume: | 7.5 mL serum separator tube (SST). | ||||||||
Minimum Volume: | 4 mL serum separator tube (SST). | ||||||||
Transport: | Serum in original serum separator tube (SST) refrigerated at 2-8° C. Do not freeze. Do not expose to air at any time during collection or transport process. | ||||||||
Comments: | Ionized calcium is the physiologically active form of calcium essential for transmission of nerve impulses, muscle contractions, enzyme reactions and blood coagulation.
Se also: Calcium (Ca), Ionized, Arterial Whole Blood (31420). |
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Rejection Criteria: | Specimen received in tube that has been opened; plasma; frozen specimen, or gross hemolysis. |
1.19-1.30 mmol/L |