Updated research request forms and data security approval requirement effective 4/24/23
The code is used to indicate if the diagnosis E code is ICD-9 or ICD-10.
ICD-10 codes were used starting October 2015.
This field was populated only in 2009 and 2010.
ICD-10 codes were used starting October 2015.
This field was populated only in 2009 and 2010.