room temperature indefinitely
Positively charged slides:
Specimens collected using alternative methods may not be rejected but may include a disclaimer on the final report
Formalin-Fixed, Paraffin embedded breast tissue block(s) OR 2-4 unstained slides and one H&E stained slide
48 – 72 hours
- Collect biopsy(ies) with care. Avoid crushing the specimen with forceps or other instruments.
- Place tissue in 10% neutral buffered formalin within one hour of excision.
- Notate on requisition the time of tissue collection and cold ischemic time.
- Label specimen container with two patient identifiers.
Monday – Friday (days)
Fluorescent In-Situ Hybridization (FISH)