Progesterone Receptor (PR) | IHC

Test DetailsPrognostic and predictive marker in breast and other carcinomas
PerformedMonday – Friday
Turnaround2 – 3 business days
Specimen RequirementsFor Ventana IHC, sections should be on Plus(+) charged slides.

Minimum specimen requirement: 2 slides.
If requesting interpretation, please submit an H&E slide.
Sample CollectionIt 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 immediately transferred to formalin. Testing is not validated for decalcified specimens.
Storage/Transport ConditionsRoom temperature (use cold packs for transport of blocks during summer months)
CPT Code(s)88342