Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

Includes:
disorders of psychological development
Excludes 2:
symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Intellectual Disabilities (F70-F79)

Code first
any associated physical or developmental disorders
Excludes 1:
borderline intellectual functioning, IQ above 70 to 84 (R41.83)
F70 Mild intellectual disabilities
IQ level 50-55 to approximately 70
Mild mental subnormality
F71 Moderate intellectual disabilities
IQ level 35-40 to 50-55
Moderate mental subnormality
F72 Severe intellectual disabilities
IQ 20-25 to 35-40
Severe mental subnormality
F73 Profound intellectual disabilities
IQ level below 20-25
Profound mental subnormality
F78 Other intellectual disabilities [+]
F79 Unspecified intellectual disabilities
Mental deficiency NOS
Mental subnormality NOS

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