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DOG1 by Immunohistochemistry
2010168
Ordering Recommendation

Screening test in tumor that is morphologically and clinically suspicious for GIST when CD117 is negative.

Mnemonic
DOG1 IHC
Methodology
Immunohistochemistry
Performed
Varies
Reported
1-3 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Tissue or cells. 
Specimen Preparation
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. 
Storage/Transport Temperature
Room temperature. Also acceptable: Refrigerated. Ship in cooled container during summer months. 
Unacceptable Conditions
Specimens submitted with non-representative tissue type. Depleted specimens. 
Remarks
 
Stability
Ambient: Indefinite; Refrigerated: Indefinite; Frozen: Unacceptable 
Reference Interval
Interpretive Data


Note
All stains will be handled as "Stain and Return" without interpretation. To request a consultation, submit the pathology report, all associated case materials (clinical history, blocks, slides, etc.), and the Anatomic Pathology requisition form (#32960) in place of the Immunohistochemistry Stain Form.
CPT Code(s)
88342
Components
Component Test Code*Component Chart NameLOINC
2010169DOG1 by Immunohistochemistry
2011611DOG1 Client Case or Reference Number
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases