| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the forearm | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to pyrophosphate crystals | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of the shoulder region | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the ankle and foot | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the hand | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the pelvic region and thigh | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of the pelvic region and thigh | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Idiopathic pyrophosphate arthritis | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Pyrophosphate arthritis | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of the lower leg | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the upper arm | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Pyrophosphate tophus | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the shoulder region | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to dicalcium phosphate crystals | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Calcium pyrophosphate deposition disease | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals of the knee | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary pyrophosphate arthritis | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the lower leg | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of multiple sites | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of the upper arm | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of the forearm | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis-pyrophosphate crystals, of the hand | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of the ankle and foot | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of multiple sites | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the forearm | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of multiple sites | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of the shoulder region | Associated morphology | True | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals | Associated morphology | True | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the hand | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the lower leg | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the ankle and foot | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to pyrophosphate crystals, of multiple sites | Associated morphology | True | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of the forearm | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of the upper arm | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis-pyrophosphate crystals, of the hand | Associated morphology | True | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of the pelvic region and thigh | Associated morphology | True | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary pyrophosphate arthritis | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Pyrophosphate arthritis | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Calcium pyrophosphate deposition disease | Associated morphology | True | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Pyrophosphate tophus | Associated morphology | True | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the shoulder region | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to dicalcium phosphate crystals | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the upper arm | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of the pelvic region and thigh | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of the ankle and foot | Associated morphology | True | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of the lower leg | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals of the knee | Associated morphology | True | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Asymptomatic calcium pyrophosphate deposition disease | Associated morphology | True | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Congenital calcium pyrophosphate dihydrate crystal deposition disease | Associated morphology | True | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 2 | 
| Familial calcium pyrophosphate dihydrate crystal deposition disease | Associated morphology | True | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, NOS | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of other specified site | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, of unspecified site | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to dicalcium phosphate crystals, NOS | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of unspecified site | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chondrocalcinosis due to pyrophosphate crystals, of other specified site | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Acute pyrophosphate crystal arthropathy | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Chronic pyrophosphate crystal arthropathy | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 | 
| Pseudo-neuropathic pyrophosphate arthropathy | Associated morphology | False | Deposition of calcium pyrophosphate crystals, calcified structure | Inferred relationship | Existential restriction modifier | 1 |