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Test Code CAION Calcium, Ionized, Blood

Additional Codes

 Test ID

CAION

EPIC Test ID

LAB54

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

Container/Tube:

Preferred: 0.5mL Syringe with anaerobic heparinized whole blood.

Acceptable: Dark Green Tube with anaerobic heparinized whole blood, plasma or anaerobic mint-green PST, anaerobic. If specimen is drawn in a vacutainer it must be full. 

 

Stability:  Whole Blood and plasma stability is preferred at 4°C for up to 24 hrs.  Stable for 30 minutes at ambient temperature.

 

Collection Instructions:  Patient should be in a relaxed state and tourniquet application as brief as possible.  Specimen must be kept as anaerobic as possible. Vacutainer must be properly filled and remain sealed until analysis is performed.

     

Transportation:  Samples (plasma or whole blood) from external laboratories required to be transported on ice or ice bath.  Do not use ice blocks as specimens may freeze.

Reference Values

1.15-1.35 mmol/L

Day(s) Test Set Up

Monday through Sunday

Useful For

Ionized calcium is useful in the monitoring of calcium levels in patients receiving blood transfusion, undergoing hemodialysis, or in patients with thermal burns, and in neonates when hypocalcemia is suspected.

Methodology

Potentiometric sensor

Test Classification and CPT Coding

82330

Report Available

15 minutes upon receipt.