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HelpTest Code Fl CEA Fluid, CEA
Patient Preparation
No special patient preparation required
Special Collection Instructions
Source must be noted
Collection Method
Sterile body fluid collection
Minimum Volume
- Adults: 0.4 ml
- Pediatric: 0.25 ml
Container
Sterile Urine Cup
Preferred Specimen
Sterile container
Acceptable Specimens
Body fluids
Reference or Target Ranges
No reference values available for body fluid sources
Reportable Units
ng/mL
Critical Value
Not defined for this assay
Reasons for Rejection
| Hemolysis Threshold | 2200 mg/dL |
| Icterus Threshold | 66 mg/dL |
| Lipemia Threshold | 1500 mg/dL |
| Other | QNS, contaminated, improperly Labeled, improper specimen type |
Specimen Stability
| Ambient | Not listed |
| Refrigerated (4°C to 8°C) | 7 days |
| Frozen(-40°C to 0°C) | 6 months |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time | Routine: 4 hours |
| Stat Availabilty | No |
| Performing Bench | UH Chemistry |
| Methodology/Method Description | Roche Cobas – Sandwich principle assay |
CEA values determined on patient samples by different testing procedures cannot be directly compared with one another and could be the cause of erroneous medical interpretations.
CPT Codes
82378