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Test Code Ca CALCIUM, BLOOD

Patient Preparation

No special patient preparation required

Collection Method

Venous collection

Minimum Volume

Adults: 1.0 mL
Pediatric: 0.5 mL

Container

Lt Green / Plasma Separator / Lithium Heparin

Preferred Specimen

Light Green Top (lithium heparin) plasma

Acceptable Specimen(s)

Serum:

  • Red Top

Plasma:

  • Light Green (lithium heparin)

Reference or Target Ranges

Adults (Serum/Plasma): 8.3-10.6 mg/dL

Reportable Units

Serum/Plasma: mg/dL

Critical Value

Serum or Plasma values < 6.0 mg/dL or > 13 mg/dL

Reasons for Rejection

Hemolysis Threshold:

1000 mg/dL

Icterus Threshold:

30 mg/dL

Lipemia Threshold:

650 mg/dL

Other:

QNS, contaminated, Improperly labeled, Improper specimen type

Specimen Stability

Ambient

8 Hours

Refrigerated    (4oC to 8oC)

2 Days

Frozen  

6 Months

Performance Information

Days and Time Performed

24/7

Expected Turn Around Time

STAT: 1 hour, Routine:  4 hours

Stat Availability

Yes

Performing Bench

CRMC Chemistry

Methodology/Method Description

Atellica

Methodology/Method Description

Atellica CH Analyzer

CPT Codes

82310