CYFRA 21-1 (Cytokeratin 19 Fragment)
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CYFRA 21-1 (Cytokeratin 19 Fragment), Serum
Test ID: CYFRA
Test
Method
ELISA (Quantitative)
Platform
Fujirebio Diagnostics
Report Includes
Specimens
Serum
Clinical Utility
Prognostication and monitoring in NSCLC. The level of CYFRA 21-1 cannot be used as absolute evidence for the presence or absence of disease.
Test Version
20-Nov-2019
Specimen
Specimens
Serum
Sample Volume
1 mL
Minimum Volume
0.5 mL
Specimen Comment
Gel-separator tubes are acceptable.
Collection & Handling
Handling Information
Separate serum from cells ASAP or within 2 hours of collection. Store and send frozen.
Stability
| Ambient | 48 hours |
|---|---|
| Refrigerated | 14 days |
| Frozen | 2 months |
Additional Stability Information
Avoid repeated freeze/thaw cycles.
Rejection Criteria
| Specimen | Plasma |
|---|---|
| Hemolysis | Present |
| Lipemia | Present |
| Other | Icteric |
Test Version
20-Nov-2019
Performance / Interpretation
Method
ELISA (Quantitative)
Platform
Fujirebio Diagnostics
Turnaround Time
13 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| CYFRA 21-1 (Cytokeratin 19 Fragment) | ng/mL |
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This assay is performed using the Fujirebio Diagnostics CYFRA 21-1 Enzyme Immunoassay. Results obtained with different assay methods or kits cannot be used interchangeably. Results cannot be interpreted as absolute evidence of the presence or absence of malignant disease.
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Test Version
20-Nov-2019
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| CYFR T | 63095CYFRA21-1, Serum | ng/mL |
Test Version
20-Nov-2019