Estrogen Receptor (ER) | IHC

Test Details Prognostic and predictive marker in breast and other carcinomas
Methodology Immunohistochemistry
Performed Monday – Friday
Turnaround 2 – 3 business days
Specimen Requirements For Ventana IHC, sections should be on Plus(+) charged slides.
Sample Collection It is important to indicate the collection time so total fixation time can be calculated. The total duration of formalin fixation should be in the range of 6-72 hours. Devitalization time is not required for core biopsies where specimens are always immediately transferred to formalin. Testing is not validated for decalcified specimens.
Storage/Transport Conditions Room temperature (use cold packs for transport of blocks during summer months)
CPT Code(s) 88342