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Immunohistochemistry Stain Form Recommended (ARUP form #32978)

Ordering Recommendation

Refer to ARUP Immunohistochemistry Stain Offerings brochure at www.aruplab.com/ap/resources.

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 (3-5 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.

Storage/Transport Temperature

Room temperature or refrigerated. Ship in cooled container during summer months.

Unacceptable Conditions

Specimens submitted with non-representative tissue type. Depleted specimens.

Remarks

IMMUNOHISTOCHEMISTRY ORDERING AND SUBMISSION DETAILS: Submit electronic request. If you do not have electronic ordering capability, use an ARUP Immunohistochemistry Stain Form (#32978) and include an ARUP client number. For additional technical details, contact ARUP Client Services at (800) 522-2787.

Stability

Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable

Methodology

Immunohistochemistry

Performed

Mon-Fri

Reported

1-3 days

Reference Interval

Interpretive Data



Compliance Category

FDA

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
2005845 IGG4 IHC Reference Number 94736-6
2005846 IGG4 IHC Result 49471-6
* 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

  • IgG4 antibody immunostaining
  • IgG4 IHC
Immunoglobulin G4 by Immunohistochemistry