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Estrogen Receptor (ER) 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). 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 or refrigerated. Ship in cooled container during summer months.
Specimens submitted with non-representative tissue type. Depleted specimens. Decalcified 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 US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Analyte Specific Reagent (ASR)
Note
This test is performed as a stain and return (technical) service only.
Hotline History
CPT Codes
88360
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 2004517 | Estrogen Receptor Reference Number | 94736-6 |
| 2004518 | Estrogen Receptor by IHC |
Aliases
- ER antibody staining
- ER IHC
