Test Code CA CALCIUM
Additional Codes
LAB53
Performing Laboratory
Porter Hospital Laboratory
Specimen Requirements
Specimen Type: Blood
Container/Tube: Tiger top, serum gel
Also Acceptable: Green top (Lithium Heparin)
Specimen Volume: Full tube, submit 0.5 mL serum
Specimen Minimum Volume: 0.3 mL
Collection Instructions:
1. Send specimen in original tube.
2. If there is a delay in transport of >1 hour, centrifuge tube.
3. Centrifuged samples are stable for:
• 8 hours at room temperature
• 2 days at 2-8 °C
• For longer storage, freeze at –20 °C or colder
Specimen Transport Temperature
Refrigerated
Test Classification and CPT Coding
82310
Test Schedule / Analytical Time / Test Priority / Turn Around Time
Daily / 24hours / Available STAT / Routine - 4 hours
STAT - 60 minutes
Reference Values
8.5-10.1 mg/dl
Critical Values
< 7.0 mg/dL or > 13.0 mg/dL