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Published on January 25, 2018

Calcium

SIM

10640 

CPT

82310 

Synonyms

CA, Total Calcium 

Specimen Type

Plasma or serum 

Container

3.5 ml Green - Lithium heparin plasma separator
4.0 ml Gold-top serum separator

Collection Instructions

None

Volume

2 ml plasma or serum
Min: 0.5 ml

Additional Information

None

Patient Preparation

None

Specimen Processing Instructions

Plasma:  Centrifuge at 3380 rpm’s (±100) for a minimum of 10 minutes

Serum:  Allow to clot.  Centrifuge at 3380 rpm’s (±100) for a minimum of 10 minutes

Centrifuge within 2 hours of collection.

Transport Requirements

Refrigerated

Specimen Stability

Room temperature: 8 hours;   Refrigerated: 5 days 

Rejection Criteria

•  If not centrifuged within 2 hours of collection.
•  Gross Hemolysis

Reference Range

0-16 yrs = 8.5 – 11.5 mg/dl

17 yrs and up = 8.9 -10.3 mg/dl

Critical Value

<6 mg/dl and >13 mg/dl 

Test Includes

Calcium 

Methodology

Arsenazo 

Testing Frequency

Daily, Monday - Sunday 

 

Reviewed By

Sandy Hammett 

Reviewed Date

1-25-18

Supplemental

  

Reviewed by Sandy Hammett on January 25, 2018

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