Mental Retardation: Characterized by significantly
Sub average intellectual functioning (IQ of 70 or
Below) with onset before age 18.
- Mild- IQ 50-55 to 70; educable
318.0 Moderate- 35-40 to 50-55; trainable
318.1 Severe- 20-25 to 35-40; little speech
318.2 Profound- below 20-25
319 Mental Retardation, severity unspecified.
Learning Disorders: Characterized by
Functioning substantially (one standard deviation) below expected levels.
Academic learning disorders: Three types.
315.2 Written expression
315.9 Learning disorder NOS
315.4Motor Skills Disorder: Impairment of motor coordination.
315.31 Expressive language
315.32 Mixed receptive-expressive
315.39 Phonological Disorder- Articulation
disorder, poor ability to produce sounds.
307.0 Stuttering- Disturbance in normal fluency.
307.9 Communication Disorder NOS
(poor pitch, tone, quality, etc.)
Pervasive Developmental Disorders:
299.00 Autistic Disorder: Markedly impaired
social interaction and communication, restricted interests and activity.
299.80 Rett’s Disorder: Multiple specific
deficiencies following a period of normal
functioning after birth.
299.10 Childhood disintegrative disorder:
Regression in multiple areas of functioning
Following a period of normal functioning
(of at least 2 years) After 2 years but before
10 years of age.
299.80 Asperger’s Syndrome: Severe
impairment in social interaction (not
299.80 Pervasive developmental disorder NOS
Attention Deficit and Disruptive Behavior Disorders
314.01ADHD Combined type: 6 or more symptoms of both inattention and hyperactivity/impulsivity.
314.00 ADHD predominantly inattentive- 6 or more symptoms of inattention.
314.01 ADHD predominantly hyperactive impulsivity: 6 or more symptoms of hyperactivity and/or impulsivity.
314.9 ADHD NOS
Conduct Disorder: Repetitive and persistent pattern
Of violating basic rights of others as well as age appropriate social norms and rules.
312.81 Childhood onset type: onset before age 10.
312.82 Adolescent onset type: Onset after age 10.
312.89 Unspecified onset.
313.81 Oppositional Defiant Disorder- recurrent
pattern of negativistic, defiant, disobedient, and hostile behavior toward authority figures that persists for more than 6 months.
312.9 Disruptive behavior disorder NOS
A number of others, including feeding, eating, tic, elimination, separation anxieties, etc., we do not have time to cover.