Sign in →

Order Code LAB1247 (to RMC) Calcium, Ionized, Blood

Important Note

If ordering an ionized calcium to be routed to Mayo for a serum specimen- change the performing site  in the collection tab to Mayo Laboratories.  Once the performing location is changed, a new label will print with correct routing lab or order LABCAI

Useful For

Assessing calcium states and as a second-order test in evaluation of patients with abnormal calcium values

Specimen Requirements

Special Note: Specimen must arrive in laboratory within 6 hours of collection for testing performed at Ridgeview Medical Center Laboratory.

 

Specimens transported to laboratory > 6 hours after collection are sent to Mayo Medical Laboratories for testing. See CAI Calcium, Ionized, Serum for specimen requirements.

 

RMC testing:  Draw blood in a dark green-top (lithium heparin) tube, and send whole blood. Plasma gel tube is not acceptable. Do not remove cap. Specimen must be kept anaerobic until ready to test.

 

Note: Indicate time of draw on request form.

Specimen Stability

Specimen Type Temperature Stability     
Whole Blood Ambient not acceptable
  Refrigerated 6 hours
  Frozen N/A

Reference Values

4.6 - 5.1 mg/dL

Day(s) Test Set Up

Monday through Sunday

Performing Laboratory

Ridgeview Medical Center Laboratory

Methodology

Ion-Selective Electrode (ISE)

Test Classification and CPT Coding

82330