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Calcium, Plasma or Serum*

Important Note

*This test is orderable in Cerner

Performing Laboratory

Rutland Regional Medical Center Laboratory

Specimen Requirements

Specimen Type: Blood

Container/Tube:

Preferred: Light-green top (lithium heparin gel)

Acceptable: Gold top, serum gel

Specimen Volume: Full tube

Specimen Minimum Volume: 2 mL

Collection Instructions:

1. Send specimen in original tube.

2. If there is a delay in transport of >1 hour, centrifuge tube.

Days Performed

Daily

Available STAT

Analytical Time:

1 day

Methodology

Colorimetric Absorbance

Test Classification and CPT Coding

82310

Normal Reference Values

8.5-10.1 mg/dL

Specimen Transport Temperature

Refrigerated

Critical Values

<7 mg/dL or >12 mg/dL (automatic call-back)