Refer to ARUP Immunohistochemistry Stain Offerings brochure at www.aruplab.com/ap/resources.
New York DOH Approval Status
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 (3- to 5-micron thick sections), positively charged slides in a tissue transport kit (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 or refrigerated. Ship in cooled container during summer months.
Specimens submitted with non-representative tissue type. Depleted specimens.
IMMUNOHISTOCHEMISTRY ORDERING AND SUBMISSION DETAILS: Submit electronic request. If you do not have electronic ordering capability, use an ARUP Immunohistochemistry Stain Form (#32978) with an ARUP client number. For additional technical details, contact ARUP Client Services at (800) 522-2787.
Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable
This test is performed as a stain and return (technical) service only.
|Component Test Code*||Component Chart Name||LOINC|
|2003849||Cytokeratin 20 by IHC|
|2003850||Cytokeratin 20 Reference Number||94736-6|
- CK 20
- CK20 IHC
- CK20 staining
- cytokeratin 20 IHC
- Cytokeratin 20 staining