ALK
Alias/Synonym: Lung
CPT Code: 88377
- Includes:
- ALK
- Specimen Type, Preferred:
- Formalin fixed paraffin embedded tissue
- Specimen Type, Alternate:
- Formalin fixed paraffin embedded tissue
- Sample Quantity, Preferred:
- 4 slides
- 1 block
- Sample Quantity, Minimum:
- 4 slides
- 1 block
- Transport Container:
- Unstained slides
- Paraffin block
- Transport Temperature:
- Room temperature
- Collection Instructions:
- Block and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
- Slides should be positively charged and cut at 4 microns for each stain/antibody/probe ordered.
- Specimen Stability:
- Room temperature: Indefinite
- Rejection Criteria:
- Uncharged slides
- Clinical Significance:
- Detects translocations involving ALK.
- Limitations:
- FISH can only detect aberrations specifically targeted by probe used.
- Turnaround Time:
- 5 day(s)
- Reference Ranges:
- Quantitative analysis : cutoff value %