2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Congenital Anomalies 740-759 > Anencephalus And Similar Anomalies 740.* > 2006 ICD-9-CM Diagnosis 740.1 Craniorachischisis View the most recent version of ICD-9-CM 740.1 740.1 is a specific code that can be used to specify a diagnosis 740.1 contains 1 index entry View the ICD-9-CM Volume 1 740.* hierarchy  Index entries containing 740.1: Craniorachischisis (totalis) 740.1