2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Symptoms 780-789 > Symptoms Concerning Nutrition Metabolism And Development 783.* > 2008 ICD-9-CM Diagnosis 783.41 Failure to thrive  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 Therefore, this code may be out of date.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 783.41 can be accessed here. A condition in which an infant or child's weight gain and growth are far below usual levels for age. Inability to grow and develop normally. 783.41 is a specific code that can be used to specify a diagnosis 783.41 contains 2 index entries View the ICD-9-CM Volume 1 783.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 783.41 also known as: Failure to gain weight Index entries containing 783.41: Failure, failed to thrive child 783.41 weight gain in childhood 783.41