Test Code MICAL Calcium, Ionized, Machine Blood or Serum

Additional Codes

LAB2618

Ion-Specific Electrode

Bronson Laboratory, Chemistry - Kalamazoo and Battle Creek

Submit only 1 of the following specimens:

Preferred

Specimen Type: Whole blood
Container/Tube: Green top (heparin)
Specimen Volume: Full tube

Collection Instructions:

1. Invert several times to mix blood. Do not
centrifuge.

2. Cause for rejection includes partially filled tube as
the relatively increased heparin concentration will falsely lower
ionized calcium results.

Alternate

Specimen Type: Serum
Container/Tube: Gold top serum gel
Specimen Volume: 5 mL

Specimen Minimum Volume: 1 mL

Collection Instructions: Spin down and
separate serum from clot immediately after draw.

Refrigerate

4.5-5.3 mg/dL

Critical values: ≤ 3.0 mg/dL or ≥ 7.0 mg/dL

24/7

82330