ARUP's Laboratory Test Directory

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

Mnemonic: CYFRA

Methodology: Chemiluminescent Immunoassay
Performed: Tue
Reported: 1-8 days
Specimen Required: Collect:  One 3 mL red or serum separator tube.

Transport:  1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport:  0.5 mL serum at 2-8°C.

Remarks:  Remove serum from cells ASAP. Avoid repeated freeze/thaw cycles.

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

Stability:  After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 2 months
Reference Interval:
0-1.9 ng/mL
Interpretive Data: This assay is performed using the Fujirebio Diagnostics CYFRA 21-1 CLEIA. Results obtained with different assay methods or kits cannot be used interchangeably. 

Please refer to Statement D in the Compliance Statements section in the front of the Laboratory Test Directory.
CPT Code(s): 86316
 
 

 

 

 
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