22q loss _ 22q12 | FISH

Test DetailsDetects loss of 22q (using EWSR1)
Relevant condition(s)Rhaboid tumor
MethodologyFluorescence in-situ hybridization
PerformedMonday – Friday
Turnaround3 – 5 days; STAT FISH performed within 24 – 48 hours
Specimen requirementsFormalin-fixed paraffin embedded tissue samples (blocks or unstained slides)
Sample collectionFormalin-fixed paraffin embedded tissue samples (blocks or unstained slides)
Minimum sample volumeNot applicable as long as tumor cells are present
Storage/Transport ConditionsRoom temperature
Unacceptable ConditionsTissue samples on un-charged microscope slides, previously stained slides (H&E, IHC, etc.)
CPT Code(s)88377

Requisition