- S-100
- 
							Salivary gland (Parotid, submandibular gland, FNA )
- SALL4
- 
							SARS-CoV-2 (COVID-19) (SARS-CoV-2, Coronavirus )
- 
							Sezary Panel (Leukemia Immunophenotyping, Lymphoma Immunophenotyping, Leukemia, Lymphoma, Flow cytometry add on )
- 
							Sinus, paranasal (Nasal, nose )
- 
							Skin Biopsy for Histological Analysis (punch biopsy, shave biopsy, excisional biopsy, skin )
- Skin Biopsy, Direct Immunofluorescence
- 
							SMA (Actin, Smooth Muscle )
- 
							Small B-Cell Lymphoma (LBCL), Low Grade  (SBCL, Low Grade B-Cell Lymphoma, NHL, MCL. MZL. MALT, Follicular lymphoma )
- 
							Smooth Muscle Myosin Heavy Chain (SMMHC )
- 
							SOX-10 (Sry-related HMG-BOX gene 10 )
- SOX-11
- 
							Sputum (Sputum, lung cytology )
- 
							Steiner Stain (Spirochete )
- 
							Stomach (gastric) (Antral, fundic )
- Synaptophysin
