2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Certain Conditions Originating In The Perinatal Period 760-779 > Other Conditions Originating In The Perinatal Period 764-779 > Hemolytic Disease Of Fetus Or Newborn Due To Isoimmunization 773.* > 2008 ICD-9-CM Diagnosis 773.3 Hydrops fetalis due to isoimmunization  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 773.3 can be accessed here. 773.3 is a specific code that can be used to specify a diagnosis 773.3 contains 2 index entries View the ICD-9-CM Volume 1 773.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Use additional code, if desired, to identify type of isoimmunization (773.0-773.2) Index entries containing 773.3: Dropsy, dropsical (see also Edema) 782.3 fetus or newborn 778.0 due to isoimmunization 773.3 Hydrops 782.3 fetal(is) or newborn 778.0 due to isoimmunization 773.3