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HelpTest Code LAB53 Calcium, Total - Serum or Plasma
Performing Laboratory
Asante Rogue Regional Medical Center / Asante Three Rivers Medical Center / Asante Ashland Community Hospital / Asante White City Laboratory
Specimen Minimum Volume
0.5 ml
Billing Code
2050193
Methodology
Ion Selective Electrode
Specimen Requirements
Lithium Heparin Green top tube
Required volume 0.5 ml
Outpatient clients MUST draw SST
Performing Department
Chemistry
Day(s) Test Set Up
Monday through Sunday
Routine – same day
ASAP – 2 hours after receipt of specimen in lab
STAT – 1 hour after receipt of specimen in lab
Test Classification and CPT Coding
82310 - Calcium; total
Additional Information
Calcium levels have important effects on blood clotting, nerve
transmission and muscle contraction. Calcium
measurements are used in the diagnosis and treatment of parathyroid
disease, bone diseases, chronic renal disease and tetany.
Specimen Transport Temperature and Stability
Centrifuge and refrigerate within 2 hours of collection
Spun SST is stable for 48 hours at 2° to 8° C
Serum stable 48 hours if aliquoted and refrigerated at 2° to 8° C
Reasons for Rejection
Hemolysis
Quantity not sufficient (QNS)
Lack of Two Patient Identifiers:
1-Patient's First & Last name
2-Patient's Date of Birth