| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Osteoarthritis NOS, pelvic region/thigh | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of sternoclavicular joint | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of lesser metatarsophalangeal joint | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of the upper arm | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of wrist | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of elbow | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of distal radioulnar joint | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of the lower leg | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of ankle and foot | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of metacarpophalangeal joint | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of the hand | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of other tarsal joint | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of unspecified site | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of shoulder region | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, other specified site | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of talonavicular joint | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of sacroiliac joint | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of knee | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of tibiofibular joint | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of the forearm | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Foot osteoarthritis NOS | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  | 
| Ankle osteoarthritis NOS | Is a | False | Osteoarthritis NOS | Inferred relationship | Existential restriction modifier |  |