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HelpTest Code CA Calcium, Total, Plasma or Serum
Additional Codes
LAB53
Performing Laboratory
Central Peninsula Hospital
Collection Method
Venipuncture
Container
Lt Green / Plasma Separator / Lithium Heparin
Specimen Type
Preferred
- Plasma- Light Green Top (Lithium heparin)
Acceptable
- Serum- Gold Top SST or Red Top
Minimum Volume
0.5ml
Specimen Stability
| Ambient | 7 days |
| Refrigerated (4°C to 8°C) | 3 weeks |
| Frozen(-40°C to 0°C) | 8 months |
Reference or Target Ranges
| Age | Male | Female |
| 0 - 7 days | 7.5 - 11.0 | 7.5 - 11.0 |
| 8 days - 17 years | 8.7 - 10.7 | 8.7 - 10.7 |
| >18 years | 8.6-10.2 | 8.6-10.2 |
Reportable Units
mg/dl
Critical Value
≤ 6.0mg/dl
≥ 14.0 mg/dl
Reasons for Rejection
| Hemolysis Threshold | 1000 mg/dL |
| Icterus Threshold | 60 mg/dL |
| Lipemia Threshold | 1000 mg/dL |
| Other | QNS, contaminated, improperly labeled, improper specimen type |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time |
Stat: 1 hour Routine: 4 hours |
| Stat Availability | Yes |
| Performing Bench | CPH Chemistry |
| Methodology/Method Description | Roche Cobas |
CPT Codes
82310
Last review/edit date
2025