Ordering Recommendation

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

New York DOH Approval Status

This test is New York state approved.

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: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable

Methodology

Immunohistochemistry

Performed

Varies

Reported

1-3 days

Reference Interval

Interpretive Data

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.

Compliance Category

Laboratory Developed Test (LDT)

Note

This test is performed as a stain and return (technical) service only.

Hotline History

N/A

CPT Codes

88342

Components

Component Test Code* Component Chart Name LOINC
2010169 DOG1 by Immunohistochemistry
2011611 DOG1 Client Case or Reference Number 94736-6
* 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

DOG1 by Immunohistochemistry