| Basic Characteristics | Properties (Providencia stuartii) |
| Capsule | Non-Capsulated |
| Catalase | Positive (+ve) |
| Citrate | Positive (+ve) |
| Flagella | Flagellated |
| Gas from glucose | Negative (-ve) |
| Gelatin Hydrolysis | Negative (-ve) |
| Gram Staining | Negative (-ve) |
| Growth in KCN | Positive (+ve) |
| H2S | Negative (-ve) |
| Indole | Positive (+ve) |
| Motility | Positive (+ve) |
| MR (Methyl Red) | Positive (+ve) |
| Nitrate Reduction | Positive (+ve) |
| OF (Oxidative-Fermentative) | Fermentative |
| Oxidase | Negative (-ve) |
| Pigment | Negative (-ve) |
| Shape | Rods |
| Spore | Non-Sporing |
| Urease | Negative (-ve) |
| VP (Voges Proskauer) | Negative (-ve) |
| Adonitol | Negative (-ve) |
| Arabinose | Negative (-ve) |
| Arabitol | Negative (-ve) |
| Cellobiose | Negative (-ve) |
| DNase | Negative (-ve) |
| Erythritol | Negative (-ve) |
| Glucose (Acid) | Positive (+ve) |
| Glycerol | Variable |
| Lactose | Negative (-ve) |
| Malonate | Negative (-ve) |
| Maltose | Negative (-ve) |
| Mannitol | Negative (-ve) |
| Mannose | Positive (+ve) |
| Melibiose | Negative (-ve) |
| Mucate | Negative (-ve) |
| MyoInositol | Positive (+ve) |
| Raffinose | Negative (-ve) |
| Rhamnose | Negative (-ve) |
| Salicin | Negative (-ve) |
| Sorbitol | Negative (-ve) |
| Sucrose | Variable |
| Tartrate | Positive (+ve) |
| Trehalose | Positive (+ve) |
| Acetate Utilization | Positive (+ve) |
| Aesculine Hydrolysis | Negative (-ve) |
| Arginine Dihydrolase | Negative (-ve) |
| Esculin Hydrolysis | Negative (-ve) |
| Lipase | Negative (-ve) |
| Lysine Decarboxylase | Negative (-ve) |
| ONPG (β-galactosidase) | Negative (-ve) |
| Ornithine Decarboxylase | Negative (-ve) |
| Phenylalanine Deaminase | Positive (+ve) |