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Test Code LAB2039 IONIZED CALCIUM

Important Note

Place heparinized syringe or unspun green top tube on ice and transport immediately to lab.

For Green Top tubes - Fill to black line, do not remove cap, do not aliquot. 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

Epic Code Atlas Code Mayo Access ID Order LOINC Legacy Code
LAB2039 ICAL FAH5668 1994-3 ICAL

 

Specimen Information

Container Specimen Temperature Collect Vol Submit Vol Min Vol Stability
**Green Top Whole Blood Ambient 3 mL 3 mL 0.8 mL 30 min
**Green Top Whole Blood On ice 3 mL 3 mL 0.8 mL 4 hrs
*Syringe Heparinized Whole Blood Ambient 3 mL 3 mL 0.8 mL 30 min
*Syringe Heparinized Whole Blood On Ice 3 mL 3 mL 0.8 mL 4 hrs
Green Top Plasma Ambient 3 mL 3 mL 0.8 mL 3 hrs
Green Top Plasma Refrigerate 3 mL 3 mL 0.8 mL 24 hrs

**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 only when a vacutainer cannot be obtained.

**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 Low High Units
0 - 1 month All 1.00 1.50 mmol/L
1 month - 6 months All 0.95 1.50 mmol/L
≥6 months All 1.14 1.35 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

 

Result Component(s)

Reporting Name Epic Code Atlas Code Mayo Access ID LOINC 
Calcium, Ionized    ICA   1994-3