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Published on January 26, 2018

Corrected Calcium 

SIM

70004 

CPT

 

Synonyms

 

Specimen Type

Plasma or Serum  

Container

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

Collection Instructions

none

Volume

2 ml plasma or serum  Minimum:  0.5 ml

Additional Information

Corrected Calcium calculation will be performed on every CMP using the Albumin and Calcium result.  Corrected Calcium can also be ordered as a stand alone test.
Calculation is (4.0 – Albumin) X (0.8 + Calcium)

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.

Transport Requirements

Refrigerated

Specimen Stability

Room Temperature: 8 hours;  Refrigerated:  5 days 

Rejection Criteria

If not centrifuged within 2 hours of collection

Reference Range

Albumin = 3.5 - 4.9 g/dl

Calcium - 0 - 16 yrs = 8.5 - 11.5 mg/dl

Calcium - 17 yrs and up = 8.9 - 10.3 mg/dl

Corrected Calcium - same reference range as Calcium

Critical Value

 

Test Includes

Albumin, Calcium, calculated Corrected Calcium 

Methodology

 

Testing Frequency

Daily, Monday - Sunday 

 

Reviewed By

Sandy Hammett 

Reviewed Date

1-26-18

Supplemental

  

Reviewed by Sandy Hammett on January 26, 2018

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