Mental Retardation (317-319)
Use additional code(s) to identify any associated psychiatric or physical condition(s)
317 Mild mental retardation
High-grade defect
IQ 50-70
Mild mental subnormality
318 Other specified mental retardation
318.0 Moderate mental retardation
IQ 35-49
Moderate mental subnormality
318.1 Severe mental retardation
IQ 20-34
Severe mental subnormality
318.2 Profound mental retardation
IQ under 20
Profound mental subnormality
319 Unspecified mental retardation
Mental deficiency NOS
Mental subnormality NOS
Section: Mental Disorders Classification
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