Refer to ARUP Immunohistochemistry Stain Offerings brochure at www.aruplab.com/ap/resources.
New York DOH Approval Status
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 (3- to 5-micron thick sections), positively charged slides in a tissue transport kit (recommended but not required), (ARUP supply #47808) available online through eSupply using ARUP Connect or contact ARUP Client Services at (800) 522-2787. (Min: 2 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
Laboratory Developed Test (LDT)
This test is performed as a stain and return (technical) service only.
|Component Test Code*||Component Chart Name||LOINC|
|3002540||LEF1 Reference Number|
|3002541||LEF1 by Immunohistochemistry|
- TCF1 alpha