Laboratory Services

Calcium

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Updated Test Information:

Test Description
Calcium
Synonym(s)
Ca
Test ID
CA
Specimen Type
Serum
Alternate Specimen Type
Red, Li-heparin plasma
Specimen Requirements
SST
Specimen Collection / Processing Instructions
SST - Separate serum or plasma from cells within 45 minutes of collection. If a red-top tube or green-top tube is used, transfer separated serum or plasma to a plastic transport tube.
Minimum Sample Volume
1 mL
Pediatric Min. Volume (if applicable)
500 uL
Additional Processing Details
Separate serum or plasma from cells within 45 minutes of collection. If a red-top tube or green-top tube is used, transfer separated serum or plasma to a plastic transport tube.
Stability
7 days at 15-25 ˚C
3 wks at 2-8 ˚C
8 months at -20 ˚C
Unacceptable Specimen Conditions
Gross hemolysis, EDTA, oxalate, or citrate anticoagulant
Methodology
Colorimetric
Estimated TAT
0-2 days
Testing Schedule
Monday-Saturday
CPT Code(s)
82310
Reference Range

Children:

0-10 days 7.6-10.4 mg/dL
10 days- 2 yrs 9.0-11.0 mg/dL
2-12 yrs 8.8-10.8 mg/dL
12-18 yrs 8.4-10.2 mg/dL

Adults:

18-60 yrs 8.6-10.0 mg/dL
60-90 yrs 8.8-10.2 mg/dL
>90 yrs 8.2-9.6 mg/dL
Performing Lab
Incyte Diagnostics
LOINC Code(s)
17861-6