| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Arthroscopic drilling of lesion of articular cartilage of knee | Procedure site - Direct | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Malignant neoplasm of overlapping lesion of bone and articular cartilage of limbs | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Malignant neoplasm of bones and articular cartilage of limb, unspecified | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Malignant neoplasm of overlapping lesion of bone and articular cartilage | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Malignant neoplasm of bone and articular cartilage, unspecified | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Other juvenile osteochondrosis of hip and pelvis | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| [X]Other juvenile osteochondrosis of upper limb | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| [X]Other specified juvenile osteochondrosis | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| [X]Malignant neoplasm of bone and articular cartilage | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Other specified disorders of cartilage | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier |  | 
| [X]Disorder of cartilage, unspecified | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier |  | 
| Open autologous chondrocyte implantation into articular structure | Procedure site - Indirect | True | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| Harvest of osteochondral tissue | Procedure site - Direct | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Open implantation of autologous stem cells into articular cartilage | Procedure site - Indirect | True | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| Arthroscopic implantation of autologous stem cells into articular cartilage | Procedure site - Indirect | True | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| Chondromalacia NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of other specified site | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic articular thermal chondroplasty | Procedure site - Direct | True | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Articular cartilage disorder NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier |  | 
| Endoscopic articular abrasion chondroplasty | Procedure site - Direct | True | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Osteochondritis NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of unspecified site | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of unspecified site | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of other specified site | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| Juvenile osteochondritis of the hip and pelvis, unspecified | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Juvenile osteochondritis of the hip and pelvis NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Juvenile osteochondritis of the arm and hand NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 3 | 
| Other juvenile osteochondroses | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Juvenile osteochondrosis NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Juvenile osteochondritis of the arm, unspecified | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Juvenile osteochondritis of the hand, unspecified | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Juvenile apophysitis NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Juvenile epiphysitis NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Juvenile osteochondritis NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Juvenile osteochondroses NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 2 | 
| Bone or cartilage disorders NOS | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier |  | 
| Other and unspecified bone or cartilage disorders | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier |  | 
| Articular cartilage disorder, of unspecified site | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier |  | 
| Articular cartilage disorder of other specified site | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier |  | 
| Articular cartilage disorder of other joints of the shoulder girdle | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier |  | 
| Bone and cartilage disorders, unspecified | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier |  | 
| Other bone and cartilage disorders | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier |  | 
| Therapeutic endoscopic operation on articular cartilage | Procedure site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic excision of articular cartilage | Procedure site - Direct | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 | 
| Osteochondrosis of second metatarsal head | Finding site | False | Structure of articular cartilage | Inferred relationship | Existential restriction modifier | 1 |