Looking for ILS? We've moved to our new website. Some users may experience temporary access delays during the transition. We appreciate your patience as we complete this update.
Share to
  • Email
  • Facebook
  • X
  • Bluesky
  • Instagram
  • LinkedIn
Share to
  • Email
  • Facebook
  • X
  • Bluesky
  • Instagram
  • LinkedIn
Back to Test Catalogue
Test ID: CYFRA

CYFRA 21-1 (Cytokeratin 19 Fragment), Serum

Test Overview

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.

Method

Enzyme-linked immunosorbent assay (ELISA)

Analytical Platform

Fujirebio Diagnostics

Result Included

CYFRA 21-1 (Cytokeratin 19 Fragment)

Specimen

Specimen Type

Serum

Volume

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 Refrigerated Frozen
48 hours 14 days 2 months

Avoid repeated freeze/thaw cycles.

Rejection Criteria

Criteria Specification
Specimen Plasma
Hemolysis Present
Lipemia Present
Other Icteric

Performance & Interpretation

Turnaround Time

13 days

Results

Name
Units
Reference Range
Conversion
  1. CYFRA 21-1 (Cytokeratin 19 Fragment)
    ng/mL
    0.0 - 2.3

    Comment

    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.

Referral Location

Out-of-Country

Interface & Setup

HL7 Interface Codes

Order Code Result Name Result Codes Units
CYFR T CYFRA21-1, Serum 63095 ng/mL

Test Version

Last Updated

2019-11-20