Methodology
Fluorescence in situ Hybridization (FISH)
Synonyms
Alveolar Rhabdomyosarcoma; PAX7/FOXO1A
Specimen Type
Tissue
Performing Lab
ARUP
Epic ID
Other Reference Test
Lab Test Days
Monday-Friday
Standard TAT
3-7 Days
Collection Information
Specimen Required
Formalin fix (10 percent neutral buffered formalin) and paraffin embed tumor tissue
Container Type
Paraffin Embedded Tissue Block
Collection Instructions
Protect paraffin block from excessive heat. 2-5 unstained (4-micron thick sections) positively charged slides are also acceptable.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Ambient-OK
Specimen Stability
Room Temp: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable
Rejection Criteria
Specimens fixed or processed in alternative fixatives (alcohol, Prefer) or heavy metal fixatives (B-4 or B-5); No tumor in tissue; Decalcified specimens
Processing Instructions
Indicate Histology Specimen ID and source of specimen in comments and on specimen. Complete ARUP requisition and submit with specimen room temp. Call Apollo Courier Service for pick up Monday-Friday.
Comments
Insurance authorization required prior to collection for outpatients. Ok to send on inpatients.
CPT Codes
88366
Revised
05-03-17
Initials
SL