Calcium, Ionized

Orderable EAP code:

LAB00077

Billable EAP Codes:

80001703 x 1

CPT Codes:

82330 x 1

Lab Section:

Core Lab

Includes:

Measured & pH-corrected ionized calcium

Turnaround Time:

Routine: 30 Minutes
Urgent: 15 Minutes
Extreme Emergency: 15 Minutes

Test Schedule:

24 hours, 7 days a week.

Units:

mmol/L

Critical Values:

Measured ICA:
Less than or equal to 0.75 mmol/L
Greater than or equal to 1.62 mmol/L

Specimen Requirements:

1 mL blood in a heparinized syringe OR one full GREEN top (sodium or lithium heparin) tube.

Pediatric Specimen Requirements:

0.3 mL blood in a heparinized syringe OR 0.6 mL blood in a pediatric GREEN top (sodium or lithium heparin) tube.

Reference Range:

Measured Ion Calcium: 1.14 to 1.32 mmol/L
Corrected to pH 7.4: 1.14 to 1.28 mmol/L

Comments:

Measured ionized calcium is reported at the actual pH of the sample. Corrected ionized calcium is reported at a pH of 7.4.

Stability: Whole blood up to 4 hours at room temperature.

Synonyms:

Ca
ICA
Ionized Calcium