2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Congential Anomalies 740-759 > Congenital Anomalies Of Ear Face And Neck 744.* > 2008 ICD-9-CM Diagnosis 744.42 Branchial cleft cyst  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 Therefore, this code may be out of date.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 744.42 can be accessed here. A tumor derived from branchial epithelium or branchial rests. (Dorland, 27th ed) 744.42 is a specific code that can be used to specify a diagnosis 744.42 contains 6 index entries View the ICD-9-CM Volume 1 744.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 744.42: Anomaly, anomalous (congenital) (unspecified type) 759.9 branchial cleft NEC 744.49 cyst 744.42 Cleft (congenital) - see also Imperfect, closure branchial (persistent) 744.41 cyst 744.42 Cyst (mucus) (retention) (serous) (simple) branchial (cleft) 744.42 branchiogenic 744.42 cervical lateral 744.42 Infection, infected, infective (opportunistic) 136.9 branchial cyst 744.42