Mental Retardation ICD 9 Code


Billable Medical Code for Unspecified Intellectual Disabilities

Diagnosis Code for Reimbursement Claim: ICD-9-CM 319

Code will be replaced by October 2015 and relabeled as ICD-10-CM 319.

The Short Description Is: Intellect disability NOS.

Known As

Mental retardation is also known as intellectual disability, intellectual functioning disability, and mental retardation. This applies to mental deficiency NOS and mental subnormality NOS.

Mental Retardation Definition and Symptoms

Mental retardation is a condition that is diagnosed before a patient turns 18, and usually much sooner, that includes an extremely below-average intellectual function, and a lack of basic skills needed for daily life. Mental retardation can range from mild, severe, and profound. Symptoms of mental retardation vary drastically with each person but generally include a lack of understanding of basic ideas, educational issues, and communication delays.