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Calcium, Ionized, Plasma or Serum
Test Code303
CPT Codes
82330
Includes
Submit only 1 of the following specimens:
Plasma
Container/Tube: Plasma gel tube
Specimen Volume: Full tube
Collection Instructions: Specimen should be drawn with minimal stasis, without exercise of arm. Separate plasma from cells by centrifuging within 2 hours of draw. Avoid hemolysis.
Note: 1. Indicate plasma. 2. Label specimen appropriately (plasma).
Serum
Container/Tube: Serum gel tube
Specimen Volume: Full tube
Collection Instructions: Specimen should be drawn with minimal stasis, without exercise of arm. Separate serum from cells by centrifuging within 2 hours of draw. Avoid hemolysis.
Note: 1. Indicate serum. 2. Label specimen appropriately (serum).
Plasma
Container/Tube: Plasma gel tube
Specimen Volume: Full tube
Collection Instructions: Specimen should be drawn with minimal stasis, without exercise of arm. Separate plasma from cells by centrifuging within 2 hours of draw. Avoid hemolysis.
Note: 1. Indicate plasma. 2. Label specimen appropriately (plasma).
Serum
Container/Tube: Serum gel tube
Specimen Volume: Full tube
Collection Instructions: Specimen should be drawn with minimal stasis, without exercise of arm. Separate serum from cells by centrifuging within 2 hours of draw. Avoid hemolysis.
Note: 1. Indicate serum. 2. Label specimen appropriately (serum).
Transport Temperature
Refrigerate - 2 days capped vacuum tube.
Methodology
Ion-Selective Electrode (ISE)
Setup Schedule
Monday through Sunday
Reference Range
1.13-1.32 mmol/L
Clinical Significance
Useful for evaluation of nonbound calcium, calcium metabolism, physiologically active calcium fraction, and hyperparathyroidism. Occasionally, it is useful when hypercalcemia coexists with an abnormal protein state such as myeloma. It is also useful in assessing active calcium fraction in hypoproteinemia and acidosis when calcium is low.
Performed By
CoxHealth
