2006 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.* > 2006 ICD-9-CM Diagnosis 783.42 Delayed milestones View the most recent version of ICD-9-CM 783.42 783.42 is a specific code that can be used to specify a diagnosis 783.42 contains 1 index entry View the ICD-9-CM Volume 1 783.* hierarchy Alternate Terminology Late talker Late walker  Index entries containing 783.42: Delay, delayed milestone in childhood 783.42