Chondrocalcinosis 2, also known as calcium pyrophosphate dihydrate deposition disease, is related to familial calcium pyrophosphate deposition and ankylosis. An important gene associated with Chondrocalcinosis 2 is ANKH (ANKH Inorganic Pyrophosphate Transport Regulator). The drugs Calcium, Dietary and Calcium have been mentioned in the context of this disorder. Affiliated tissues include bone and tongue, and related phenotypes are osteoarthritis and arthropathy