ARUP's Laboratory Test Directory

Cytokeratin 19 Fragment (CYFRA 21-1), Serum : 0081344

Mnemonic: CYFRA

Methodology: Quantitative Enzyme-linked Immunosorbent Assay
Performed: Tue
Reported: 1-8 days
Specimen Required: Collect: Plain red or serum separator tube.

Specimen Preparation: Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Plasma. Icteric, lipemic, or hemolyzed specimens.

Stability (collection to initiation of testing): After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 2 months (avoid repeated freeze/thaw cycles)
Reference Interval:
0.0-2.3 ng/mL
Interpretive Data: 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.
CPT Code(s): 86316
Cross References: CYFRA 21-1 (Cytokeratin 19 Fragment (CYFRA 21-1), Serum), Soluble Cytokeratin 19 Fragment (Cytokeratin 19 Fragment (CYFRA 21-1), Serum)
 
 

 

 

 
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