Cytokeratin 19
Alias/Synonym: CK19
CPT Code: 88342/88341
- Includes:
- Specimen Type, Preferred:
- Unstained slides
- Formalin fixed paraffin embedded tissue
- Specimen Type, Alternate:
- Sample Quantity, Preferred:
- 2 Unstained slides or 1 Block
- Sample Quantity, Minimum:
- 1 Unstained slide or 1 Block
- Transport Container:
- Paraffin block
- Unstained slides
- Transport Temperature:
- Room temperature for blocks and slides
- Collection Instructions:
- N/A
- Specimen Stability:
- Room temperature: 10 days
- Rejection Criteria:
- N/A
- Clinical Significance:
- CK19 is a cytoskeletal component that maintains the filament proteins and is involved in structural integrity. It is also involved in signal transduction of B-lymphocyte activation, development and differentiation.
- Limitations:
- Turnaround Time:
- 24 hours
- Reference Ranges: