CALCIUM, IONIZED

Code
900.0750
Name
CALCIUM, IONIZED
Category
None
Department
Send-Out
Start Date
Expiration Date
Synonyms
Ionized Calcium; pH corrected Ionized Calcium
CPT Codes
82330
Site
SBMF
Reference Test
23026
ATLAS Test Code

CA ION

Specimen Information

Type

Gold, SST, *DO NOT OPEN THE TUBE*

Volume

2.0 ml

Transport Info

DO NOT OPEN THE TUBE Refrigerated

Fasting Required?
False
Patient Instructions

Reference Range

Ionized Calcium, pH corrected: 1.13-1.32 mEq/L pH (venous): 7.35-7.45 Critical Low Value: 0.77 mmol/L or less Critical High Value: 1.59 mmol/L or greater

Methodology

Ion-selective Electrode (ISE)

Clinical Significance

Evaluate non-bound calcium, calcium metabolism, physiologically active calcium fraction, and hyperparathyroidism.

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