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Claudin-4 by Immunohistochemistry
Ordering Recommendation
Refer to ARUP Immunohistochemistry Stain Offerings brochure at www.aruplab.com/ap/resources.
New York DOH Approval Status
Specimen Required
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 highly recommended) 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. Also acceptable: Refrigerated. Ship in cooled container during summer months.
Specimens submitted with nonrepresentative 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
Methodology
Immunohistochemistry
Performed
Mon-Fri
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 U.S. Food and Drug Administration. This test was performed in a CLIA-certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
Note
This test is performed as a stain and return (technical) service only
Hotline History
CPT Codes
88342
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 3005594 | CLAUD4 Reference Number | |
| 3005595 | CLAUD4 by Immunohistochemistry |
Aliases
- CLDN4
- Clostridium perfringens enterotoxin receptor
