1. Specimen Characteristics: Indexing based on the type of tissue, organ, or cell type. 2. Staining Techniques: Categorization according to the staining methods used, such as Hematoxylin and Eosin (H&E), Immunohistochemistry (IHC), and Special Stains. 3. Pathological Findings: Indexing by the presence of specific pathological conditions, such as cancer, inflammation, or degeneration. 4. Digital Imaging: Using digital tools to tag and categorize images based on magnification levels, regions of interest, and annotations.
