2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Congenital Anomalies 740-759 > Other Congenital Musculoskeletal Anomalies 756.* > 2006 ICD-9-CM Diagnosis 756.55 Chondroectodermal dysplasia View the most recent version of ICD-9-CM 756.55 Dwarfism occurring in association with defective development of skin, hair, and teeth, polydactyly, and defect of the cardiac septum. Chondrodysplasia of long bones affecting mainly the distal ends of extremities and resulting in short-limb dwarfism, hexadactyly of the fingers and less frequently the toes; ectodermal dysplasia with nail and hair abnormalities, and congenital heart defects. Associated abnormalities may include cryptorchidism, epispadias, talipes equinovalgus, and Dandy-Walker syndrome (absence of cerebellar vermis, hydrocephalus, and posterior fossa cyst continuous with the fourth ventricle). Some patients are retarded. The largest pedigree was observed in Old Order Amish in Lancaster County, Pennsylvania and some cases were reported in Australian Aborigines. 756.55 is a specific code that can be used to specify a diagnosis 756.55 contains 6 index entries View the ICD-9-CM Volume 1 756.* hierarchy Alternate Terminology Ellis-van Creveld syndrome  Index entries containing 756.55: Chondroectodermal dysplasia 756.55 Disease, diseased - see also Syndrome Ellis-van Creveld (chondroectodermal dysplasia) 756.55 Dysplasia - see also Anomaly chondroectodermal 756.55 Ellis-van Creveld disease or syndrome (chondroectodermal dysplasia) 756.55 Syndrome - see also Disease chondroectodermal dysplasia 756.55 Ellis-van Creveld (chondroectodermal dysplasia) 756.55