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HelpTest Code CA 19-9 Carbohydrate Antigen 19-9, ( CA 19-9), Serum
Additional Codes
LAB777
Collection Method
Venous collection
Minimum Volume
0.5ml
Container
Gold Top / Serum Separator / Additive Free
Acceptable Specimens
Serum:
- Gold Top SST
- Red Top
Plasma:
- Light Geen Top (lithium heparin)
Reference or Target Ranges
<35 U/mL
Reportable Units
U/mL
Critical Value
Not defined for this assay
Reasons for Rejection
| Hemolysis Threshold | 1000 mg/dL |
| Icterus Threshold | 66 mg/dL |
| Lipemia Threshold | 1500 mL |
| Other | QNS, contaminated, improperly Labeled, improper specimen type |
Specimen Stability
| Ambient | 5 days |
| Refrigerated (4°C to 8°C) | 14 days |
| Frozen(-40°C to 0°C) | 3 months |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time | Routine: 4 hours from arrival in lab |
| Stat Availability | No |
| Performing Bench | CPH Chemistry |
| Methodology/Method Description | Roche Cobas |
CPT Codes
86301
Last review/edit date
March 2024