Test Code CA.1 CALCIUM LEVEL
Methodology
Colorimetric
Useful in the diagnosis and monitoring of a wide range of disorders including disorders of protein and vitamin D; and diseases of bone, kidney, parathyroid gland, or gastrointestinal tract.
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Serum
Serum Gel Tube
Container/Tube: Serum gel tube(s)
Specimen Volume: 1 mL (minimum volume: 0.5 mL) of
serum
Collection Instructions: Keep specimen tightly capped. Spin down within 4 hours of draw.
Note: Label specimen appropriately (serum).
Alternate:
Serum
Plain, Red-Top Tube
Container/Tube:
Plain, red-top tube(s)
Specimen Volume: 1 mL (minimum volume: 0.5 mL) of
serum
Collection Instructions: Keep specimen tightly capped. Spin down within 4 hours of draw.
Note: Label specimen appropriately (serum).
Plasma
Container/Tube: Green-top (lithium heparin) tube(s)
Specimen Volume: 1 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Keep specimen tightly capped. Spin down within 4 hours of draw.
Note: Label specimen appropriately (plasma).
Day(s) Test Set Up
Monday through Sunday
Reference Values
8.5-10.2 mg/dL
Critical values (automatic call-back): <6.0 mg/dL or >12.0 mg/dL
Performing Laboratory
Logan Health Medical Center-Chemistry
Test Classification and CPT Coding
82310
Specimen Transport Temperature
Refrigerate