Table 1

Correspondence table of codes for selected congenital anomalies in the ICD1-150 revisions used from 1950 to 1994

ICD-9 (adopted from 1979 to 1995)ICD-8 (adopted from 1968 to 1978)ICD-6, ICD-7 (adopted from 1950 to 1967)
Code Description Code Description Code Description
B44Congenital anomaliesA126-A130Congenital anomaliesA127-A129Congenital anomalies
B440Spina bifida and hydrocephalusA126Spina bifidaA127Spina bifida
B441Other deformities of CNS
B442Defects of the heart and circulatory
A127+A128Defects of the heart and circulatory  systemA128Defects of the heart and circulatory  system
B443Cleft palate and cleft lipA129Cleft palate and cleft lip
B444Other deformities of digestive system
B445Undescended testis
B446Congenital dislocation of hip
B447Other congenital anomalies of musculoskeletal system
B449All other congenital anomaliesA130All other congenital anomaliesA129All other congenital anomalies
  • 1-150 ICD = International Classification of Diseases.