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Note: This test number is used for tracking oncology IHC specimens to the laboratory. Bill codes will be added when testing is complete, based on the processes performed in the laboratory.
Specimen Requirements
Specimen
Formalin-fixed, paraffin-embedded (FFPE) tissue block
Volume
One paraffin block or five unstained slides sectioned at 4-5 microns, no more than 45 days in age
Minimum Volume
Three unstained slides
Container
Paraffin block or unstained, positive-charged slides
Collection
Paraffin block or unstained slides sectioned of no more than 45 days in age
Storage Instructions
Refrigerate; protect from light
Causes for Rejection
Slides sectioned greater than 45 days prior to test request; improper fixation, freezing, thawing, washing, drying, heating, sectioning or contamination with other tissue
Test Details
Use
VENTANA FOLR1 RxDx Assay is an immunohistochemical assay using mouse monoclonal anti-FOLR1-2.1, intended for use in the assessment of folate receptor alpha (FOLR1) protein in formalin-fixed, paraffin-embedded epithelial ovarian, fallopian tube, or primary peritoneal cancer tissue specimens by light microscopy.
Methodology
Immunohistochemistry
References
National Library of Medicine. Mirvetuximab Soravtansine (IMGN853), in Folate Receptor Alpha (FRα) High Recurrent Ovarian Cancer (MIROVA). Accessed December 2022 at https://clinicaltrials.gov/ct2/show/NCT04274426.
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 453006 | FOLR1 IHC | 453007 | Referring Physician | 18781-5 | ||
| 453006 | FOLR1 IHC | 453008 | Treating Physician | 18781-5 | ||
| 453006 | FOLR1 IHC | 453009 | Client Specimen ID | 48767-8 | ||
| 453006 | FOLR1 IHC | 453010 | Contain(s) Received | 74384-9 | ||
| 453006 | FOLR1 IHC | 453011 | Clinical Data | 55752-0 | ||
| 453006 | FOLR1 IHC | 453012 | Revision Text | N/A | ||
| 453006 | FOLR1 IHC | 453013 | Body Site | 39111-0 | ||
| 453006 | FOLR1 IHC | 453014 | Specimen Type | 66746-9 | ||
| 453006 | FOLR1 IHC | 453015 | Interpretation OR Diagnosis | 50595-8 | ||
| 453006 | FOLR1 IHC | 453016 | Test(s) Cancelled | N/A | ||
| 453006 | FOLR1 IHC | 453017 | Comments: | 77202-0 | ||
| 453006 | FOLR1 IHC | 453018 | Reviewing Pathologist | 19139-5 | ||
| 453006 | FOLR1 IHC | 453019 | General Results | 19146-0 | ||
| 453006 | FOLR1 IHC | 453020 | Result | 19146-0 | ||
| 453006 | FOLR1 IHC | 453021 | Non Standard Comments | 8251-1 | ||
| 453006 | FOLR1 IHC | 453022 | Additional Notation | 48767-8 | ||
| 453006 | FOLR1 IHC | 453023 | Electronically Signed by | 19139-5 | ||
| 453006 | FOLR1 IHC | 453024 | Proxy Release by | 19139-5 | ||
| 453006 | FOLR1 IHC | 453025 | Disclaimer | 62364-5 | ||
| 453006 | FOLR1 IHC | 453026 | N/A |
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