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Ionized Calcium

Important Note

Tube must be least half filled, kept on ice.  Must arrive to laboratory within 4 hours of collection.

Additional Codes

LAB5558

Performing Laboratory

MBMC Main Laboratory

Methodology

Amperometric and Potentiometric

Specimen Requirements

Submit only 1 of the following specimens:

 

Specimen Type: Whole Blood
Container/Tube: Dark Green Lithium Heparin
Specimen Volume: Full tube

Specimen Minimum Volume: NA

Collection Instructions: Tube must be least half filled, kept on ice.  Must arrive to laboratory within 4 hours of collection.

 

Specimen Type: Whole Blood

Container/Tube: Mint-green top (lithium heparin)
Specimen Volume: Full tube

Specimen Minimum Volume: NA

Collection Instructions: Tube must be least half filled, kept on ice.  Must arrive to laboratory within 4 hours of collection.

 

Specimen Type: Whole blood
Container/Tube: Lithium heparin syringe
Specimen Volume: 2 mL
Specimen Minimum Volume: 1 mL
Additional Information: Tube must be least half filled, kept on ice.  Must arrive to laboratory within 4 hours of collection.

Specimen Transport Temperature

Specimen must be sent unspun on ice to laboratory within 4 hours of collection.

Day(s) Test Set Up

Monday through Sunday
Turnaround Time:
Within 1 hour

Reference Values

0 to 1 day                      4.50-5.75

1 to 4 days                     4.15-5.40

4 to 180 days                 4.85-5.80

6 to 30 months              4.60-5.50

30 months to 18 years   4.45-5.25

18 to 150 years 4.50-5.10

mg/dL

Critical values (automatic call-back): <3.20 mg/dL or >6.48 mg/dL

Test Classification and CPT Coding

 

Test Classification:This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer’s instructions.
CPT Code:

 

82330