Children - Achondroplasia What is achondroplasia? Achondroplasia is a type of rare genetic bone disorder. Achondroplasia is the most common type of these disorders. It causes the strong, flexible tissue called cartilage to not be made into bone as normal. This causes a series of signs, such as short arms and legs and a large head. This condition used to be called dwarfism.
TASCâ¢ is produced by CTB/McGrawâ Hill for national use. Starting in January 2014, individuals in New York State who are seeking a High School Equivalency Diploma will no longer take the GEDÂ®, but will instead take the TASCâ¢.
Return to Index. The PPC system in some form is used in all 50 states. All of the top insurance groups use ISO's PPCs except for State Farm. State Farm developed its own classification system, based on subzones. The subzone rating tracks very closely to the PPC.