| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Generalized osteoarthritis | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Degenerative arthritis of temporomandibular joint | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Idiopathic osteoarthritis | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis of elbow | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis of wrist | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis of knee | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis of ankle | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Endemic osteoarthritis | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis deformans | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis of foot joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Degenerative joint disease of lower leg | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Degenerative joint disease of hand | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthrosis involving multiple sites but not designated as generalized | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Degenerative joint disease of upper arm | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Localized osteoarthrosis | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Chronic osteoarthritis | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Degenerative joint disease of pelvic region | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Degenerative joint disease of forearm | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Stickler syndrome | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Degenerative joint disease of ankle AND/OR foot | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Erosive osteoarthrosis | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Localized, secondary osteoarthritis | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis of multiple joints | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Oligoarticular osteoarthritis, unspecified | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Exacerbation of osteoarthritis | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Family history: Osteoarthritis | Associated finding | False | Osteoarthritis | Inferred relationship | Existential restriction modifier | 1 | 
| History of osteoarthritis | Associated finding | False | Osteoarthritis | Inferred relationship | Existential restriction modifier | 1 | 
| Referral to rheumatology service for osteoarthritis | Has focus | True | Osteoarthritis | Inferred relationship | Existential restriction modifier | 1 | 
| Osteoarthritis of spinal facet joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Thoracic spondylosis | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis of foot joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis of hip | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Family history: Osteoarthritis | Associated finding | True | Osteoarthritis | Inferred relationship | Existential restriction modifier | 1 | 
| History of osteoarthritis | Associated finding | True | Osteoarthritis | Inferred relationship | Existential restriction modifier | 1 | 
| Lumbar spondylosis | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Degenerative joint disease of shoulder region | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Degeneration of intervertebral disc | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Secondary osteoarthritis | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Family history: Osteoarthritis | Associated finding | False | Osteoarthritis | Inferred relationship | Existential restriction modifier | 1 | 
| Degenerative joint disease of pelvis | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Degenerative polyarthritis | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Degenerative tear of triangular fibrocartilage complex of wrist | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Advanced collapse of scapholunate joint due to osteoarthritis | Due to | True | Osteoarthritis | Inferred relationship | Existential restriction modifier | 1 | 
| Osteoarthritis of right sternoclavicular joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis of right temporomandibular joint | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis of left temporomandibular joint | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Spondylosis | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Oligoosteoarthritis | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis of left sternoclavicular joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Seropositive erosive rheumatoid arthritis | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Heberden node of the distal interphalangeal joints of the left hand | Due to | True | Osteoarthritis | Inferred relationship | Existential restriction modifier | 3 | 
| Heberden node | Due to | True | Osteoarthritis | Inferred relationship | Existential restriction modifier | 3 | 
| Heberden node of the distal interphalangeal joints of the right hand | Due to | True | Osteoarthritis | Inferred relationship | Existential restriction modifier | 3 | 
| Aneurysm osteoarthritis syndrome | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Heberden node of distal interphalangeal joint of finger of bilateral hands | Due to | True | Osteoarthritis | Inferred relationship | Existential restriction modifier | 5 | 
| Crystal arthropathy | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Tophus of prepatellar bursa co-occurrent and due to gout | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Calcification of joint | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Ochronotic arthritis | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Chondromalacia | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Dermatoosteolysis Kirghizian type | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Wear of cartilage of joint caused by hemiarthroplasty | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Infantile systemic hyalinosis | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Rheumatoid arthritis with erosion of joint | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Oligoarticular osteoarthritis | Is a | True | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis of sternoclavicular joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Oligoarticular osteoarthritis, unspecified | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of distal radioulnar joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of the lower leg | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of ankle and foot | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of the hand | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, pelvic region/thigh | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of the upper arm | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of metacarpophalangeal joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of sternoclavicular joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of other tarsal joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of lesser metatarsophalangeal joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of unspecified site | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of shoulder region | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, other specified site | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of talonavicular joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of sacroiliac joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of tibiofibular joint | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Osteoarthritis NOS, of the forearm | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Foot osteoarthritis NOS | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  | 
| Ankle osteoarthritis NOS | Is a | False | Osteoarthritis | Inferred relationship | Existential restriction modifier |  |