Immunohistochemistry (IHC) staining is used in the diagnosis of abnormal cells such as those found in cancerous tumors and infectious diseases; this method analyzes/identifies cell type(s) based on the binding of antibodies to specific components of a cell. 

Immunohistochemistry Stains

 BCV - Bovine Coronavirus
 CD 3 (T-cell)
 CD 18, Canine
 CD 18, Feline
 CD 20
 CD 31
 CD 79-a (B-cell)
 CD117 (c-kit_
 Chromogranin A
 Cytokeratin (AE1/AE3)
 Cytokeratin (Wide Spectrum)
 Feline Infectious Peritonitis (CCV2-2 or V3-70)
 GFAP -  Glial Fibrillary Acidic Protein
 Influenza A (H1N1)
 MAC 387 (Macrophage Marker)
 Melan A
 Muscle Actin
 Neuron Specific Enolase
 PAX-5 (B-cell marker)
 S-100 Protein
 Smooth Muscle Actin
 Toxoplasma gondii
 VonWillebrand Factor - factor VIII-related antigen