Screening test in tumor that is morphologically and clinically suspicious for GIST when CD117 is negative.
Tissue or cells.
Formalin fix (10 percent neutral buffered formalin) and paraffin embed specimen (cells must be prepared into a cellblock). Protect paraffin block and/or slides from excessive heat.Transport tissue block or 5 unstained (4-micron thick sections), positively charged slides in a tissue transport kit (ARUP supply #47808 recommended but not required) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. (Min: 3 slides) If sending precut slides, do not oven bake.
Room temperature. Also acceptable: Refrigerated. Ship in cooled container during summer months.
Specimens submitted with non-representative tissue type. Depleted specimens.
Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
This test is performed as a stain and return (technical) service only.
|Component Test Code*||Component Chart Name||LOINC|
|2010169||DOG1 by Immunohistochemistry|
|2011611||DOG1 Client Case or Reference Number|