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Test Code ICAL IONIZED CALCIUM

Important Note

Place heparinized syringe or unspun green top tube on ice and transport immediately to lab.
For Green Top tubes - Do not remove cap and fill to black fill line. As long as the cap has NOT been removed, spun tubes are acceptable for 3-hours at ambient temperature or 24-hours if refrigerated.

Additional Codes

Primary ID

Epic Code

Mayo Access ID

ICAL LAB2039 FAH5668

 

Specimen Information

Container

Specimen

Temperature

Collect Vol

Submit Vol

Minimum Vol

Stability
**Green Top Tube Whole Blood Ambient 3 mL 3 mL 0.8 mL 30 minutes
**Green Top Tube Whole Blood On ice 3 mL 3 mL 0.8 mL 4 Hours
*Syringe Heparinized Whole Blood Ambient 3 mL 3 mL 0.8 mL 30 minutes
*Syringe Heparinized Whole Blood On Ice 3 mL 3 mL 0.8 mL 4 Hours
Green Top Plasma Ambient 3 mL 3 mL 0.8 mL 3 Hours
Green Top Plasma Refrigerate 3 mL 3 mL 0.8 mL 24 Hours

**For Green Top tubes – Do not remove the cap and fill to black fill line see below.
Sodium heparin or lithium heparin are both acceptable.
Plasma separator tube (PST) is acceptable.
*For syringes remove needle and cap immediately.
Frozen samples are NOT acceptable.  On ice samples ONLY.
Overheparinization and exposure to air can decrease result.

Green microtainers are not ideal for this assay and should be used when a vacutainer cannot be obtained and will only be accepted from NICU, NUR, B5 and PICU patients.

**For Green Top tubes – Do not remove the cap and fill to black fill line see below.

Test Schedule / Analytical Time / Test Priority

Daily / Immediately / Available STAT

Method

Ion-Selective Electrode

CPT(s)

Description CPT Code
Calcium, Ionized, Whole Blood 82330

 

Instrumentation

Siemens Rapid Point 500

Reference Range

Age

Sex

Physiological
Status

Low

High

Units

0 - 1 month All N/A 1.0 1.5 mmol/L
1 - 6 months All N/A 0.95 1.5 mmol/L
≥6 months All N/A 1.12 1.32 mmol/L

 

Section

Chemistry-1

Performing Location

University of Vermont Medical Center

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes

 

LOINC Code Information

Result Code Reporting Name LOINC Code
ICA Calcium, Ionized  1994-3