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Immunohistochemistry Stain Form Recommended (ARUP form #32978)
Ordering Recommendation

Aids in histologic diagnosis of Alpha-1-Antitrypsin deficiency.

Mnemonic
A1 AT IHC
Methodology

Immunohistochemistry

Performed

Mon-Fri

Reported

1-3 days

New York DOH Approval Status
This test is New York DOH 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- 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.

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) with an ARUP client number. For additional technical details, contact ARUP Client Services at (800) 522-2787.

Stability

Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable

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
2003425 A1 AT by IHC
2003426 A1 AT 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
  • A1A IHC
  • A1AD
  • A1AT
  • A1AT Antibody Staining
  • A1AT IHC
  • AAT
  • AAT Antibody Staining
  • AAT IHC
  • Alpha 1 Antitrypsin IHC
  • Anti-Alpha-1-Trypsin IHC
Alpha-1-Antitrypsin (AAT) by Immunohistochemistry